210311312313 has 32 divisors (see below), whose sum is σ = 286049152512. Its totient is φ = 137417472000.

The previous prime is 210311312287. The next prime is 210311312333. The reversal of 210311312313 is 313213113012.

It is a happy number.

It is not a de Polignac number, because 210311312313 - 2³³ = 201721377721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210311312313.

It is not an unprimeable number, because it can be changed into a prime (210311312333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23794531 + ... + 23803367.

It is an arithmetic number, because the mean of its divisors is an integer number (8939036016).

Almost surely, 2^210311312313 is an apocalyptic number.

It is an amenable number.

210311312313 is a deficient number, since it is larger than the sum of its proper divisors (75737840199).

210311312313 is a wasteful number, since it uses less digits than its factorization.

210311312313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9585.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 210311312313 its reverse (313213113012), we get a palindrome (523524425325).

The spelling of 210311312313 in words is "two hundred ten billion, three hundred eleven million, three hundred twelve thousand, three hundred thirteen".