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3130130232 = 233243474031
BaseRepresentation
bin1011101010010001…
…1111111100111000
322002010220002110100
42322210133330320
522402303131412
61234333315400
7140365445055
oct27244377470
98063802410
103130130232
111366971199
12734335b60
133ab647388
142199dc02c
15134beaedc
hexba91ff38

3130130232 has 24 divisors (see below), whose sum is σ = 8477436240. Its totient is φ = 1043376720.

The previous prime is 3130130221. The next prime is 3130130291. The reversal of 3130130232 is 2320310313.

3130130232 is a `hidden beast` number, since 31 + 301 + 302 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21736944 + ... + 21737087.

It is an arithmetic number, because the mean of its divisors is an integer number (353226510).

Almost surely, 23130130232 is an apocalyptic number.

It is an amenable number.

3130130232 is an abundant number, since it is smaller than the sum of its proper divisors (5347306008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3130130232 is a wasteful number, since it uses less digits than its factorization.

3130130232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43474043 (or 43474036 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3130130232 is about 55947.5668103627. The cubic root of 3130130232 is about 1462.8084791326.

Adding to 3130130232 its reverse (2320310313), we get a palindrome (5450440545).

The spelling of 3130130232 in words is "three billion, one hundred thirty million, one hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 43474031 86948062 130422093 173896124 260844186 347792248 391266279 521688372 782532558 1043376744 1565065116 3130130232