31302011120012 has 48 divisors (see below), whose sum is σ = 56149816246272. Its totient is φ = 15261741683520.

The previous prime is 31302011119969. The next prime is 31302011120027. The reversal of 31302011120012 is 21002111020313.

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, 67524773 + ... + 67986755.

It is an arithmetic number, because the mean of its divisors is an integer number (1169787838464).

Almost surely, 2^{31302011120012} is an apocalyptic number.

It is an amenable number.

31302011120012 is a deficient number, since it is larger than the sum of its proper divisors (24847805126260).

31302011120012 is a wasteful number, since it uses less digits than its factorization.

31302011120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463358 (or 463356 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 31302011120012 its reverse (21002111020313), we get a palindrome (52304122140325).

The spelling of 31302011120012 in words is "thirty-one trillion, three hundred two billion, eleven million, one hundred twenty thousand, twelve".