1312113331304 has 16 divisors (see below), whose sum is σ = 2470771351620. Its totient is φ = 653240970880.

The previous prime is 1312113331303. The next prime is 1312113331327. The reversal of 1312113331304 is 4031333112131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1177446350404 + 134666980900 = 1085102^2 + 366970^2 .

It is not an unprimeable number, because it can be changed into a prime (1312113331303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351959867 + ... + 351963594.

Almost surely, 2^{1312113331304} is an apocalyptic number.

It is an amenable number.

1312113331304 is a deficient number, since it is larger than the sum of its proper divisors (1158658020316).

1312113331304 is a wasteful number, since it uses less digits than its factorization.

1312113331304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703923700 (or 703923696 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 1312113331304 its reverse (4031333112131), we get a palindrome (5343446443435).

The spelling of 1312113331304 in words is "one trillion, three hundred twelve billion, one hundred thirteen million, three hundred thirty-one thousand, three hundred four".