311320213001 has 16 divisors (see below), whose sum is σ = 358524923904. Its totient is φ = 264802509504.

The previous prime is 311320212911. The next prime is 311320213013. The reversal of 311320213001 is 100312023113.

It is a cyclic number.

It is not a de Polignac number, because 311320213001 - 2¹⁰ = 311320211977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311320213031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666296 + ... + 1032758.

It is an arithmetic number, because the mean of its divisors is an integer number (22407807744).

Almost surely, 2^311320213001 is an apocalyptic number.

It is an amenable number.

311320213001 is a deficient number, since it is larger than the sum of its proper divisors (47204710903).

311320213001 is a wasteful number, since it uses less digits than its factorization.

311320213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367400.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 311320213001 its reverse (100312023113), we get a palindrome (411632236114).

The spelling of 311320213001 in words is "three hundred eleven billion, three hundred twenty million, two hundred thirteen thousand, one".