31112310013202 has 32 divisors (see below), whose sum is σ = 51190801200000. Its totient is φ = 14064317625600.

The previous prime is 31112310013201. The next prime is 31112310013307. The reversal of 31112310013202 is 20231001321113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31112310013201) 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, 7713674 + ... + 11032922.

It is an arithmetic number, because the mean of its divisors is an integer number (1599712537500).

Almost surely, 2^{31112310013202} is an apocalyptic number.

31112310013202 is a deficient number, since it is larger than the sum of its proper divisors (20078491186798).

31112310013202 is a wasteful number, since it uses less digits than its factorization.

31112310013202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321602.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31112310013202 its reverse (20231001321113), we get a palindrome (51343311334315).

The spelling of 31112310013202 in words is "thirty-one trillion, one hundred twelve billion, three hundred ten million, thirteen thousand, two hundred two".