31213401024304 has 10 divisors (see below), whose sum is σ = 60475964484620. Its totient is φ = 15606700512144.

The previous prime is 31213401024233. The next prime is 31213401024373. The reversal of 31213401024304 is 40342010431213.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975418781994 + ... + 975418782025.

It is an arithmetic number, because the mean of its divisors is an integer number (6047596448462).

Almost surely, 2^{31213401024304} is an apocalyptic number.

It is an amenable number.

31213401024304 is a deficient number, since it is larger than the sum of its proper divisors (29262563460316).

31213401024304 is a wasteful number, since it uses less digits than its factorization.

31213401024304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950837564027 (or 1950837564021 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31213401024304 its reverse (40342010431213), we get a palindrome (71555411455517).

The spelling of 31213401024304 in words is "thirty-one trillion, two hundred thirteen billion, four hundred one million, twenty-four thousand, three hundred four".