990202424342031 has 24 divisors (see below), whose sum is σ = 1457281192691376. Its totient is φ = 647678616224640.

The previous prime is 990202424342023. The next prime is 990202424342041. The reversal of 990202424342031 is 130243424202099.

990202424342031 is a `hidden beast` number, since 9 + 9 + 0 + 2 + 0 + 2 + 4 + 2 + 434 + 203 + 1 = 666.

990202424342031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 990202424342031 - 2³ = 990202424342023 is a prime.

It is a super-2 number, since 2×990202424342031² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990202424342041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 479940691 + ... + 481999451.

It is an arithmetic number, because the mean of its divisors is an integer number (60720049695474).

Almost surely, 2^{990202424342031} is an apocalyptic number.

990202424342031 is a deficient number, since it is larger than the sum of its proper divisors (467078768349345).

990202424342031 is a wasteful number, since it uses less digits than its factorization.

990202424342031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067143 (or 3067140 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 990202424342031 in words is "nine hundred ninety trillion, two hundred two billion, four hundred twenty-four million, three hundred forty-two thousand, thirty-one".