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3130123133 = 22871368659
BaseRepresentation
bin1011101010010001…
…1110001101111101
322002010212201201102
42322210132031331
522402302420013
61234333222445
7140365415264
oct27244361575
98063781642
103130123133
111366966925
12734331a25
133ab644087
142199d95db
15134be8d58
hexba91e37d

3130123133 has 4 divisors (see below), whose sum is σ = 3131494080. Its totient is φ = 3128752188.

The previous prime is 3130123043. The next prime is 3130123163. The reversal of 3130123133 is 3313210313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3130123133 - 210 = 3130122109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130123163) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 682043 + ... + 686616.

It is an arithmetic number, because the mean of its divisors is an integer number (782873520).

Almost surely, 23130123133 is an apocalyptic number.

It is an amenable number.

3130123133 is a deficient number, since it is larger than the sum of its proper divisors (1370947).

3130123133 is a wasteful number, since it uses less digits than its factorization.

3130123133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370946.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 3130123133 is about 55947.5033669957. The cubic root of 3130123133 is about 1462.8073732696.

Adding to 3130123133 its reverse (3313210313), we get a palindrome (6443333446).

The spelling of 3130123133 in words is "three billion, one hundred thirty million, one hundred twenty-three thousand, one hundred thirty-three".

Divisors: 1 2287 1368659 3130123133