31112210113 has 8 divisors (see below), whose sum is σ = 31887072000. Its totient is φ = 30338111520.

The previous prime is 31112210093. The next prime is 31112210183. The reversal of 31112210113 is 31101221113.

It is a happy number.

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 31112210113 - 2²⁵ = 31078655681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112210183) 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, 107845 + ... + 271762.

It is an arithmetic number, because the mean of its divisors is an integer number (3985884000).

Almost surely, 2^31112210113 is an apocalyptic number.

It is an amenable number.

31112210113 is a deficient number, since it is larger than the sum of its proper divisors (774861887).

31112210113 is a wasteful number, since it uses less digits than its factorization.

31112210113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381647.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 31112210113 its reverse (31101221113), we get a palindrome (62213431226).

The spelling of 31112210113 in words is "thirty-one billion, one hundred twelve million, two hundred ten thousand, one hundred thirteen".