31332144123312 has 40 divisors (see below), whose sum is σ = 82050158249904. Its totient is φ = 10300978888704.

The previous prime is 31332144123283. The next prime is 31332144123347. The reversal of 31332144123312 is 21332144123313.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4470907473 + ... + 4470914480.

Almost surely, 2^{31332144123312} is an apocalyptic number.

It is an amenable number.

31332144123312 is an abundant number, since it is smaller than the sum of its proper divisors (50718014126592).

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

31332144123312 is a wasteful number, since it uses less digits than its factorization.

31332144123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8941822037 (or 8941822031 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

Adding to 31332144123312 its reverse (21332144123313), we get a palindrome (52664288246625).

Subtracting from 31332144123312 its reverse (21332144123313), we obtain a palindrome (9999999999999).

The spelling of 31332144123312 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred forty-four million, one hundred twenty-three thousand, three hundred twelve".