31300013131 has 8 divisors (see below), whose sum is σ = 33144672960. Its totient is φ = 29455740288.

The previous prime is 31300013111. The next prime is 31300013159. The reversal of 31300013131 is 13131000313.

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

It is a cyclic number.

It is not a de Polignac number, because 31300013131 - 2²⁷ = 31165795403 is a prime.

It is a super-2 number, since 2×31300013131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31300013111) 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, 78910 + ... + 262348.

It is an arithmetic number, because the mean of its divisors is an integer number (4143084120).

Almost surely, 2^31300013131 is an apocalyptic number.

31300013131 is a deficient number, since it is larger than the sum of its proper divisors (1844659829).

31300013131 is a wasteful number, since it uses less digits than its factorization.

31300013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193493.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 31300013131 its reverse (13131000313), we get a palindrome (44431013444).

The spelling of 31300013131 in words is "thirty-one billion, three hundred million, thirteen thousand, one hundred thirty-one".