31313404131004 has 48 divisors (see below), whose sum is σ = 56340596100096. Its totient is φ = 15221763648000.

The previous prime is 31313404130933. The next prime is 31313404131041. The reversal of 31313404131004 is 40013140431313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21396304 + ... + 22812904.

It is an arithmetic number, because the mean of its divisors is an integer number (1173762418752).

Almost surely, 2^{31313404131004} is an apocalyptic number.

It is an amenable number.

31313404131004 is a deficient number, since it is larger than the sum of its proper divisors (25027191969092).

31313404131004 is a wasteful number, since it uses less digits than its factorization.

31313404131004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417606 (or 1417604 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 31313404131004 its reverse (40013140431313), we get a palindrome (71326544562317).

The spelling of 31313404131004 in words is "thirty-one trillion, three hundred thirteen billion, four hundred four million, one hundred thirty-one thousand, four".