31313434340132 has 48 divisors (see below), whose sum is σ = 62792716062720. Its totient is φ = 13384507174272.

The previous prime is 31313434340129. The next prime is 31313434340159. The reversal of 31313434340132 is 23104343431313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31313434340092 and 31313434340101.

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, 536996594 + ... + 537054902.

It is an arithmetic number, because the mean of its divisors is an integer number (1308181584640).

Almost surely, 2^{31313434340132} is an apocalyptic number.

It is an amenable number.

31313434340132 is an abundant number, since it is smaller than the sum of its proper divisors (31479281722588).

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

31313434340132 is a wasteful number, since it uses less digits than its factorization.

31313434340132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108780 (or 108778 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 31313434340132 its reverse (23104343431313), we get a palindrome (54417777771445).

The spelling of 31313434340132 in words is "thirty-one trillion, three hundred thirteen billion, four hundred thirty-four million, three hundred forty thousand, one hundred thirty-two".