31123212112332 has 30 divisors (see below), whose sum is σ = 81362224257468. Its totient is φ = 10374404037336.

The previous prime is 31123212112297. The next prime is 31123212112379. The reversal of 31123212112332 is 23321121232113.

31123212112332 is a `hidden beast` number, since 3 + 1 + 1 + 2 + 3 + 212 + 112 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a junction number, because it is equal to n+sod(n) for n = 31123212112296 and 31123212112305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 48029647998 + ... + 48029648645.

Almost surely, 2^{31123212112332} is an apocalyptic number.

It is an amenable number.

31123212112332 is an abundant number, since it is smaller than the sum of its proper divisors (50239012145136).

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

31123212112332 is a wasteful number, since it uses less digits than its factorization.

31123212112332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96059296659 (or 96059296648 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 31123212112332 its reverse (23321121232113), we get a palindrome (54444333344445).

The spelling of 31123212112332 in words is "thirty-one trillion, one hundred twenty-three billion, two hundred twelve million, one hundred twelve thousand, three hundred thirty-two".