31304041304 has 64 divisors (see below), whose sum is σ = 61984604160. Its totient is φ = 14799208320.

The previous prime is 31304041277. The next prime is 31304041319. The reversal of 31304041304 is 40314040313.

It is a self number, because there is not a number n which added to its sum of digits gives 31304041304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7889129 + ... + 7893095.

It is an arithmetic number, because the mean of its divisors is an integer number (968509440).

Almost surely, 2^31304041304 is an apocalyptic number.

It is an amenable number.

31304041304 is a deficient number, since it is larger than the sum of its proper divisors (30680562856).

31304041304 is a wasteful number, since it uses less digits than its factorization.

31304041304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728 (or 4724 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31304041304 its reverse (40314040313), we get a palindrome (71618081617).

Subtracting 31304041304 from its reverse (40314040313), we obtain a palindrome (9009999009).

The spelling of 31304041304 in words is "thirty-one billion, three hundred four million, forty-one thousand, three hundred four".