31033002320012 has 48 divisors (see below), whose sum is σ = 67799497554432. Its totient is φ = 12074507114880.

The previous prime is 31033002320009. The next prime is 31033002320113. The reversal of 31033002320012 is 21002320033013.

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, 67574993 + ... + 68032680.

It is an arithmetic number, because the mean of its divisors is an integer number (1412489532384).

Almost surely, 2^{31033002320012} is an apocalyptic number.

It is an amenable number.

31033002320012 is an abundant number, since it is smaller than the sum of its proper divisors (36766495234420).

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

31033002320012 is a wasteful number, since it uses less digits than its factorization.

31033002320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135608438 (or 135608436 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31033002320012 its reverse (21002320033013), we get a palindrome (52035322353025).

The spelling of 31033002320012 in words is "thirty-one trillion, thirty-three billion, two million, three hundred twenty thousand, twelve".