31130112230 has 32 divisors (see below), whose sum is σ = 65601023040. Its totient is φ = 10412858880.

The previous prime is 31130112229. The next prime is 31130112323. The reversal of 31130112230 is 3221103113.

It is a junction number, because it is equal to n+sod(n) for n = 31130112199 and 31130112208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5420495 + ... + 5426234.

It is an arithmetic number, because the mean of its divisors is an integer number (2050031970).

Almost surely, 2^31130112230 is an apocalyptic number.

31130112230 is an abundant number, since it is smaller than the sum of its proper divisors (34470910810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31130112230 is a wasteful number, since it uses less digits than its factorization.

31130112230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10846784.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31130112230 its reverse (3221103113), we get a palindrome (34351215343).

The spelling of 31130112230 in words is "thirty-one billion, one hundred thirty million, one hundred twelve thousand, two hundred thirty".