31134645135 has 80 divisors (see below), whose sum is σ = 61227239040. Its totient is φ = 15010868160.

The previous prime is 31134645077. The next prime is 31134645163. The reversal of 31134645135 is 53154643113.

31134645135 is a `hidden beast` number, since 3 + 1 + 1 + 3 + 4 + 645 + 1 + 3 + 5 = 666.

It is not a de Polignac number, because 31134645135 - 2¹² = 31134641039 is a prime.

It is a super-2 number, since 2×31134645135² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31134645135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 777924 + ... + 816966.

It is an arithmetic number, because the mean of its divisors is an integer number (765340488).

Almost surely, 2^31134645135 is an apocalyptic number.

31134645135 is a deficient number, since it is larger than the sum of its proper divisors (30092593905).

31134645135 is a wasteful number, since it uses less digits than its factorization.

31134645135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39250 (or 39241 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 31134645135 in words is "thirty-one billion, one hundred thirty-four million, six hundred forty-five thousand, one hundred thirty-five".