99904748031 has 40 divisors (see below), whose sum is σ = 169886369664. Its totient is φ = 57915784080.

The previous prime is 99904748023. The next prime is 99904748033. The reversal of 99904748031 is 13084740999.

99904748031 is a `hidden beast` number, since 9 + 9 + 90 + 47 + 480 + 31 = 666.

It is not a de Polignac number, because 99904748031 - 2³ = 99904748023 is a prime.

It is a super-2 number, since 2×99904748031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99904748033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2417041 + ... + 2458026.

Almost surely, 2^99904748031 is an apocalyptic number.

99904748031 is a deficient number, since it is larger than the sum of its proper divisors (69981621633).

99904748031 is a wasteful number, since it uses less digits than its factorization.

99904748031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875113 (or 4875104 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 99904748031 in words is "ninety-nine billion, nine hundred four million, seven hundred forty-eight thousand, thirty-one".