31133203022112 has 48 divisors (see below), whose sum is σ = 81725367713472. Its totient is φ = 10377644209920.

The previous prime is 31133203022099. The next prime is 31133203022179. The reversal of 31133203022112 is 21122030233113.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 10198437 + ... + 12894747.

It is an arithmetic number, because the mean of its divisors is an integer number (1702611827364).

Almost surely, 2^{31133203022112} is an apocalyptic number.

31133203022112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31133203022112 is an abundant number, since it is smaller than the sum of its proper divisors (50592164691360).

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

31133203022112 is a wasteful number, since it uses less digits than its factorization.

31133203022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816601 (or 2816593 counting only the distinct ones).

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

Adding to 31133203022112 its reverse (21122030233113), we get a palindrome (52255233255225).

The spelling of 31133203022112 in words is "thirty-one trillion, one hundred thirty-three billion, two hundred three million, twenty-two thousand, one hundred twelve".