1312013331300 has 72 divisors (see below), whose sum is σ = 4338390755776. Its totient is φ = 299888760960.

The previous prime is 1312013331289. The next prime is 1312013331331. The reversal of 1312013331300 is 31333102131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312382027 + ... + 312386226.

Almost surely, 2^{1312013331300} is an apocalyptic number.

1312013331300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312013331300 is an abundant number, since it is smaller than the sum of its proper divisors (3026377424476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312013331300 is a wasteful number, since it uses less digits than its factorization.

1312013331300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624768277 (or 624768270 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1312013331300 its reverse (31333102131), we get a palindrome (1343346433431).

The spelling of 1312013331300 in words is "one trillion, three hundred twelve billion, thirteen million, three hundred thirty-one thousand, three hundred".