31210112230 has 16 divisors (see below), whose sum is σ = 61285311504. Its totient is φ = 11349131680.

The previous prime is 31210112117. The next prime is 31210112231. The reversal of 31210112230 is 3221101213.

It is a super-2 number, since 2×31210112230² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31210112231) 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, 141864037 + ... + 141864256.

It is an arithmetic number, because the mean of its divisors is an integer number (3830331969).

Almost surely, 2^31210112230 is an apocalyptic number.

31210112230 is a deficient number, since it is larger than the sum of its proper divisors (30075199274).

31210112230 is a wasteful number, since it uses less digits than its factorization.

31210112230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283728311.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31210112230 its reverse (3221101213), we get a palindrome (34431213443).

The spelling of 31210112230 in words is "thirty-one billion, two hundred ten million, one hundred twelve thousand, two hundred thirty".