31000332004 has 48 divisors (see below), whose sum is σ = 57268834560. Its totient is φ = 14668450560.

The previous prime is 31000331981. The next prime is 31000332061. The reversal of 31000332004 is 40023300013.

It is a super-3 number, since 3×31000332004³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 653704 + ... + 699520.

It is an arithmetic number, because the mean of its divisors is an integer number (1193100720).

Almost surely, 2^31000332004 is an apocalyptic number.

It is an amenable number.

31000332004 is a deficient number, since it is larger than the sum of its proper divisors (26268502556).

31000332004 is a wasteful number, since it uses less digits than its factorization.

31000332004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45988 (or 45986 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 31000332004 its reverse (40023300013), we get a palindrome (71023632017).

The spelling of 31000332004 in words is "thirty-one billion, three hundred thirty-two thousand, four".