31013112212202 has 16 divisors (see below), whose sum is σ = 62228264247072. Its totient is φ = 10304030766960.

The previous prime is 31013112212191. The next prime is 31013112212209. The reversal of 31013112212202 is 20221221131013.

It is not an unprimeable number, because it can be changed into a prime (31013112212209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8418323949 + ... + 8418327632.

It is an arithmetic number, because the mean of its divisors is an integer number (3889266515442).

Almost surely, 2^{31013112212202} is an apocalyptic number.

31013112212202 is an abundant number, since it is smaller than the sum of its proper divisors (31215152034870).

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

31013112212202 is a wasteful number, since it uses less digits than its factorization.

31013112212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16836651893.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31013112212202 its reverse (20221221131013), we get a palindrome (51234333343215).

The spelling of 31013112212202 in words is "thirty-one trillion, thirteen billion, one hundred twelve million, two hundred twelve thousand, two hundred two".