31134531434120 has 64 divisors (see below), whose sum is σ = 70218676967040. Its totient is φ = 12424308249600.

The previous prime is 31134531434113. The next prime is 31134531434143. The reversal of 31134531434120 is 2143413543113.

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, 359017565 + ... + 359104275.

It is an arithmetic number, because the mean of its divisors is an integer number (1097166827610).

Almost surely, 2^{31134531434120} is an apocalyptic number.

It is an amenable number.

31134531434120 is an abundant number, since it is smaller than the sum of its proper divisors (39084145532920).

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

31134531434120 is a wasteful number, since it uses less digits than its factorization.

31134531434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107886 (or 107882 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 31134531434120 its reverse (2143413543113), we get a palindrome (33277944977233).

The spelling of 31134531434120 in words is "thirty-one trillion, one hundred thirty-four billion, five hundred thirty-one million, four hundred thirty-four thousand, one hundred twenty".