31045350112512 has 72 divisors (see below), whose sum is σ = 84383903861376. Its totient is φ = 10128270237696.

The previous prime is 31045350112507. The next prime is 31045350112541. The reversal of 31045350112512 is 21521105354013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430002553 + ... + 430074744.

Almost surely, 2^{31045350112512} is an apocalyptic number.

31045350112512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31045350112512 is an abundant number, since it is smaller than the sum of its proper divisors (53338553748864).

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

31045350112512 is an equidigital number, since it uses as much as digits as its factorization.

31045350112512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860077363 (or 860077349 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 31045350112512 its reverse (21521105354013), we get a palindrome (52566455466525).

The spelling of 31045350112512 in words is "thirty-one trillion, forty-five billion, three hundred fifty million, one hundred twelve thousand, five hundred twelve".