31264130636 has 24 divisors (see below), whose sum is σ = 57936533760. Its totient is φ = 14711023872.

The previous prime is 31264130627. The next prime is 31264130671. The reversal of 31264130636 is 63603146213.

It is a junction number, because it is equal to n+sod(n) for n = 31264130596 and 31264130605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920981 + ... + 954323.

It is an arithmetic number, because the mean of its divisors is an integer number (2414022240).

Almost surely, 2^31264130636 is an apocalyptic number.

It is an amenable number.

31264130636 is a deficient number, since it is larger than the sum of its proper divisors (26672403124).

31264130636 is a wasteful number, since it uses less digits than its factorization.

31264130636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47153 (or 47151 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 31264130636 its reverse (63603146213), we get a palindrome (94867276849).

The spelling of 31264130636 in words is "thirty-one billion, two hundred sixty-four million, one hundred thirty thousand, six hundred thirty-six".