31400111212000 has 48 divisors (see below), whose sum is σ = 77150073257712. Its totient is φ = 12560044483200.

The previous prime is 31400111211977. The next prime is 31400111212039. The reversal of 31400111212000 is 21211100413.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 3925009902 + ... + 3925017901.

It is an arithmetic number, because the mean of its divisors is an integer number (1607293192869).

Almost surely, 2^{31400111212000} is an apocalyptic number.

It is an amenable number.

31400111212000 is an abundant number, since it is smaller than the sum of its proper divisors (45749962045712).

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

31400111212000 is an equidigital number, since it uses as much as digits as its factorization.

31400111212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7850027828 (or 7850027810 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31400111212000 its reverse (21211100413), we get a palindrome (31421322312413).

The spelling of 31400111212000 in words is "thirty-one trillion, four hundred billion, one hundred eleven million, two hundred twelve thousand".