31311241204 has 12 divisors (see below), whose sum is σ = 54937741824. Its totient is φ = 15614743544.

The previous prime is 31311241201. The next prime is 31311241237. The reversal of 31311241204 is 40214211313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31311241201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10217542 + ... + 10220605.

It is an arithmetic number, because the mean of its divisors is an integer number (4578145152).

Almost surely, 2^31311241204 is an apocalyptic number.

It is an amenable number.

31311241204 is a deficient number, since it is larger than the sum of its proper divisors (23626500620).

31311241204 is a wasteful number, since it uses less digits than its factorization.

31311241204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20438534 (or 20438532 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31311241204 its reverse (40214211313), we get a palindrome (71525452517).

The spelling of 31311241204 in words is "thirty-one billion, three hundred eleven million, two hundred forty-one thousand, two hundred four".