65313631356 has 48 divisors (see below), whose sum is σ = 153347322240. Its totient is φ = 21636014400.

The previous prime is 65313631349. The next prime is 65313631381.

65313631356 is nontrivially palindromic in base 10.

It is a congruent number.

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, 1481431 + ... + 1524881.

It is an arithmetic number, because the mean of its divisors is an integer number (3194735880).

Almost surely, 2^65313631356 is an apocalyptic number.

It is an amenable number.

65313631356 is an abundant number, since it is smaller than the sum of its proper divisors (88033690884).

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

65313631356 is a wasteful number, since it uses less digits than its factorization.

65313631356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44234 (or 44232 counting only the distinct ones).

The product of its digits is 437400, while the sum is 42.

The spelling of 65313631356 in words is "sixty-five billion, three hundred thirteen million, six hundred thirty-one thousand, three hundred fifty-six".