3131333423604 has 72 divisors (see below), whose sum is σ = 7940657422880. Its totient is φ = 1040439546432.

The previous prime is 3131333423573. The next prime is 3131333423629. The reversal of 3131333423604 is 4063243331313.

3131333423604 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 3 + 3 + 3 + 42 + 3 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 21121167 + ... + 21268905.

Almost surely, 2^{3131333423604} is an apocalyptic number.

It is an amenable number.

3131333423604 is an abundant number, since it is smaller than the sum of its proper divisors (4809323999276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131333423604 is a wasteful number, since it uses less digits than its factorization.

3131333423604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149629 (or 149624 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 36.

Adding to 3131333423604 its reverse (4063243331313), we get a palindrome (7194576754917).

The spelling of 3131333423604 in words is "three trillion, one hundred thirty-one billion, three hundred thirty-three million, four hundred twenty-three thousand, six hundred four".