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3130131263 = 71059742197
BaseRepresentation
bin1011101010010010…
…0000001100111111
322002010220010212112
42322210200030333
522402303200023
61234333324235
7140365451060
oct27244401477
98063803775
103130131263
111366971a46
1273433667b
133ab64799c
142199dc567
15134beb478
hexba92033f

3130131263 has 8 divisors (see below), whose sum is σ = 3577715232. Its totient is φ = 2682652896.

The previous prime is 3130131253. The next prime is 3130131289. The reversal of 3130131263 is 3621310313.

It is a happy number.

3130131263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3130131263 - 28 = 3130131007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130131253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53081 + ... + 95277.

It is an arithmetic number, because the mean of its divisors is an integer number (447214404).

Almost surely, 23130131263 is an apocalyptic number.

3130131263 is a deficient number, since it is larger than the sum of its proper divisors (447583969).

3130131263 is a wasteful number, since it uses less digits than its factorization.

3130131263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52801.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3130131263 is about 55947.5760243462. The cubic root of 3130131263 is about 1462.8086397388.

Adding to 3130131263 its reverse (3621310313), we get a palindrome (6751441576).

The spelling of 3130131263 in words is "three billion, one hundred thirty million, one hundred thirty-one thousand, two hundred sixty-three".

Divisors: 1 7 10597 42197 74179 295379 447161609 3130131263