31314213431132 has 24 divisors (see below), whose sum is σ = 57478758995616. Its totient is φ = 14898765201408.

The previous prime is 31314213431129. The next prime is 31314213431143. The reversal of 31314213431132 is 23113431241313.

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, 881774693 + ... + 881810204.

It is an arithmetic number, because the mean of its divisors is an integer number (2394948291484).

Almost surely, 2^{31314213431132} is an apocalyptic number.

It is an amenable number.

31314213431132 is a deficient number, since it is larger than the sum of its proper divisors (26164545564484).

31314213431132 is a wasteful number, since it uses less digits than its factorization.

31314213431132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763585117 (or 1763585115 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

Adding to 31314213431132 its reverse (23113431241313), we get a palindrome (54427644672445).

The spelling of 31314213431132 in words is "thirty-one trillion, three hundred fourteen billion, two hundred thirteen million, four hundred thirty-one thousand, one hundred thirty-two".