313132003001321 has 24 divisors (see below), whose sum is σ = 380175869101056. Its totient is φ = 252596375516160.

The previous prime is 313132003001227. The next prime is 313132003001329. The reversal of 313132003001321 is 123100300231313.

It is a de Polignac number, because none of the positive numbers 2^k-313132003001321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313132003001329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31391480 + ... + 40145846.

It is an arithmetic number, because the mean of its divisors is an integer number (15840661212544).

Almost surely, 2^{313132003001321} is an apocalyptic number.

It is an amenable number.

313132003001321 is a deficient number, since it is larger than the sum of its proper divisors (67043866099735).

313132003001321 is a wasteful number, since it uses less digits than its factorization.

313132003001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772089 (or 8772072 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 313132003001321 its reverse (123100300231313), we get a palindrome (436232303232634).

The spelling of 313132003001321 in words is "three hundred thirteen trillion, one hundred thirty-two billion, three million, one thousand, three hundred twenty-one".