31312022123130 has 64 divisors (see below), whose sum is σ = 85897683567360. Its totient is φ = 7155926959104.

The previous prime is 31312022123119. The next prime is 31312022123153. The reversal of 31312022123130 is 3132122021313.

It is a super-3 number, since 3×31312022123130³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31312022123130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10166079 + ... + 12883058.

It is an arithmetic number, because the mean of its divisors is an integer number (1342151305740).

Almost surely, 2^{31312022123130} is an apocalyptic number.

31312022123130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31312022123130 is an abundant number, since it is smaller than the sum of its proper divisors (54585661444230).

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

31312022123130 is a wasteful number, since it uses less digits than its factorization.

31312022123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23055623.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31312022123130 its reverse (3132122021313), we get a palindrome (34444144144443).

The spelling of 31312022123130 in words is "thirty-one trillion, three hundred twelve billion, twenty-two million, one hundred twenty-three thousand, one hundred thirty".