31612353113 has 16 divisors (see below), whose sum is σ = 34660265472. Its totient is φ = 28593600000.

The previous prime is 31612353107. The next prime is 31612353127. The reversal of 31612353113 is 31135321613.

It is a cyclic number.

It is not a de Polignac number, because 31612353113 - 2⁶ = 31612353049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31612353193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7899113 + ... + 7903113.

It is an arithmetic number, because the mean of its divisors is an integer number (2166266592).

Almost surely, 2^31612353113 is an apocalyptic number.

It is an amenable number.

31612353113 is a deficient number, since it is larger than the sum of its proper divisors (3047912359).

31612353113 is a wasteful number, since it uses less digits than its factorization.

31612353113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7456.

The product of its digits is 4860, while the sum is 29.

Adding to 31612353113 its reverse (31135321613), we get a palindrome (62747674726).

The spelling of 31612353113 in words is "thirty-one billion, six hundred twelve million, three hundred fifty-three thousand, one hundred thirteen".