31002201008 has 20 divisors (see below), whose sum is σ = 60094730328. Its totient is φ = 15493883520.

The previous prime is 31002201007. The next prime is 31002201019. The reversal of 31002201008 is 80010220013.

It is a super-2 number, since 2×31002201008² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31002201007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415538 + ... + 484433.

Almost surely, 2^31002201008 is an apocalyptic number.

It is an amenable number.

31002201008 is a deficient number, since it is larger than the sum of its proper divisors (29092529320).

31002201008 is a wasteful number, since it uses less digits than its factorization.

31002201008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902132 (or 902126 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The spelling of 31002201008 in words is "thirty-one billion, two million, two hundred one thousand, eight".