1313311001200 has 60 divisors (see below), whose sum is σ = 3442068753768. Its totient is φ = 477567635200.

The previous prime is 1313311001161. The next prime is 1313311001203. The reversal of 1313311001200 is 21001133131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313311001203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149235487 + ... + 149244286.

Almost surely, 2^{1313311001200} is an apocalyptic number.

1313311001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313311001200 is an abundant number, since it is smaller than the sum of its proper divisors (2128757752568).

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

1313311001200 is a wasteful number, since it uses less digits than its factorization.

1313311001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298479802 (or 298479791 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1313311001200 its reverse (21001133131), we get a palindrome (1334312134331).

The spelling of 1313311001200 in words is "one trillion, three hundred thirteen billion, three hundred eleven million, one thousand, two hundred".