31299024905 has 16 divisors (see below), whose sum is σ = 37919508480. Its totient is φ = 24799444992.

The previous prime is 31299024859. The next prime is 31299024917. The reversal of 31299024905 is 50942099213.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31299024905 is a prime.

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, 330761 + ... + 414729.

It is an arithmetic number, because the mean of its divisors is an integer number (2369969280).

Almost surely, 2^31299024905 is an apocalyptic number.

It is an amenable number.

31299024905 is a deficient number, since it is larger than the sum of its proper divisors (6620483575).

31299024905 is a wasteful number, since it uses less digits than its factorization.

31299024905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84688.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 31299024905 in words is "thirty-one billion, two hundred ninety-nine million, twenty-four thousand, nine hundred five".