31304412404 has 12 divisors (see below), whose sum is σ = 55066571364. Its totient is φ = 15571106304.

The previous prime is 31304412389. The next prime is 31304412431. The reversal of 31304412404 is 40421440313.

It can be written as a sum of positive squares in 2 ways, for example, as 19071610000 + 12232802404 = 138100^2 + 110602^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20274107 + ... + 20275650.

It is an arithmetic number, because the mean of its divisors is an integer number (4588880947).

Almost surely, 2^31304412404 is an apocalyptic number.

It is an amenable number.

31304412404 is a deficient number, since it is larger than the sum of its proper divisors (23762158960).

31304412404 is a wasteful number, since it uses less digits than its factorization.

31304412404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40549954 (or 40549952 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31304412404 its reverse (40421440313), we get a palindrome (71725852717).

The spelling of 31304412404 in words is "thirty-one billion, three hundred four million, four hundred twelve thousand, four hundred four".