1312131032300 has 36 divisors (see below), whose sum is σ = 3106172009976. Its totient is φ = 477138556800.

The previous prime is 1312131032299. The next prime is 1312131032309. The reversal of 1312131032300 is 32301312131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1312131032309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596422097 + ... + 596424296.

Almost surely, 2^{1312131032300} is an apocalyptic number.

1312131032300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312131032300 is an abundant number, since it is smaller than the sum of its proper divisors (1794040977676).

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

1312131032300 is a wasteful number, since it uses less digits than its factorization.

1312131032300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192846418 (or 1192846411 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1312131032300 its reverse (32301312131), we get a palindrome (1344432344431).

The spelling of 1312131032300 in words is "one trillion, three hundred twelve billion, one hundred thirty-one million, thirty-two thousand, three hundred".