31323011404 has 24 divisors (see below), whose sum is σ = 55640543168. Its totient is φ = 15426288000.

The previous prime is 31323011387. The next prime is 31323011459. The reversal of 31323011404 is 40411032313.

It is a super-5 number, since 5×31323011404⁵ (a number of 54 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147874 + ... + 290710.

Almost surely, 2^31323011404 is an apocalyptic number.

It is an amenable number.

31323011404 is a deficient number, since it is larger than the sum of its proper divisors (24317531764).

31323011404 is a wasteful number, since it uses less digits than its factorization.

31323011404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143665 (or 143663 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31323011404 its reverse (40411032313), we get a palindrome (71734043717).

The spelling of 31323011404 in words is "thirty-one billion, three hundred twenty-three million, eleven thousand, four hundred four".