31312101231102 has 32 divisors (see below), whose sum is σ = 64357378854912. Its totient is φ = 10148860751904.

The previous prime is 31312101231091. The next prime is 31312101231113. The reversal of 31312101231102 is 20113210121313.

It is an interprime number because it is at equal distance from previous prime (31312101231091) and next prime (31312101231113).

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, 44198638 + ... + 44901489.

It is an arithmetic number, because the mean of its divisors is an integer number (2011168089216).

Almost surely, 2^{31312101231102} is an apocalyptic number.

31312101231102 is an abundant number, since it is smaller than the sum of its proper divisors (33045277623810).

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

31312101231102 is a wasteful number, since it uses less digits than its factorization.

31312101231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89101752.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 31312101231102 its reverse (20113210121313), we get a palindrome (51425311352415).

The spelling of 31312101231102 in words is "thirty-one trillion, three hundred twelve billion, one hundred one million, two hundred thirty-one thousand, one hundred two".