31343013515132 has 12 divisors (see below), whose sum is σ = 59836662165336. Its totient is φ = 14246824325040.

The previous prime is 31343013515083. The next prime is 31343013515161. The reversal of 31343013515132 is 23151531034313.

It is a junction number, because it is equal to n+sod(n) for n = 31343013515092 and 31343013515101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356170608083 + ... + 356170608170.

It is an arithmetic number, because the mean of its divisors is an integer number (4986388513778).

Almost surely, 2^{31343013515132} is an apocalyptic number.

It is an amenable number.

31343013515132 is a deficient number, since it is larger than the sum of its proper divisors (28493648650204).

31343013515132 is a wasteful number, since it uses less digits than its factorization.

31343013515132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712341216268 (or 712341216266 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 31343013515132 its reverse (23151531034313), we get a palindrome (54494544549445).

The spelling of 31343013515132 in words is "thirty-one trillion, three hundred forty-three billion, thirteen million, five hundred fifteen thousand, one hundred thirty-two".