31113230102020 has 48 divisors (see below), whose sum is σ = 71279383392000. Its totient is φ = 11313615870720.

The previous prime is 31113230102011. The next prime is 31113230102069. The reversal of 31113230102020 is 2020103231113.

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, 7034581 + ... + 10569379.

It is an arithmetic number, because the mean of its divisors is an integer number (1484987154000).

Almost surely, 2^{31113230102020} is an apocalyptic number.

It is an amenable number.

31113230102020 is an abundant number, since it is smaller than the sum of its proper divisors (40166153289980).

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

31113230102020 is a wasteful number, since it uses less digits than its factorization.

31113230102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574828 (or 3574826 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31113230102020 its reverse (2020103231113), we get a palindrome (33133333333133).

The spelling of 31113230102020 in words is "thirty-one trillion, one hundred thirteen billion, two hundred thirty million, one hundred two thousand, twenty".