31400264799 has 12 divisors (see below), whose sum is σ = 45429936136. Its totient is φ = 20899356912.

The previous prime is 31400264789. The next prime is 31400264803. The reversal of 31400264799 is 99746200413.

It is a happy number.

31400264799 is a `hidden beast` number, since 314 + 0 + 0 + 264 + 79 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-31400264799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400264729) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2840257 + ... + 2851290.

Almost surely, 2^31400264799 is an apocalyptic number.

31400264799 is a deficient number, since it is larger than the sum of its proper divisors (14029671337).

31400264799 is a wasteful number, since it uses less digits than its factorization.

31400264799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692166 (or 5692163 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 31400264799 in words is "thirty-one billion, four hundred million, two hundred sixty-four thousand, seven hundred ninety-nine".