311201302013 has 4 divisors (see below), whose sum is σ = 355658630880. Its totient is φ = 266743973148.

The previous prime is 311201301913. The next prime is 311201302021. The reversal of 311201302013 is 310203102113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 311201302013 - 2⁸ = 311201301757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311201301982 and 311201302000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311201302063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22228664423 + ... + 22228664436.

It is an arithmetic number, because the mean of its divisors is an integer number (88914657720).

Almost surely, 2^311201302013 is an apocalyptic number.

It is an amenable number.

311201302013 is a deficient number, since it is larger than the sum of its proper divisors (44457328867).

311201302013 is an equidigital number, since it uses as much as digits as its factorization.

311201302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44457328866.

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

Adding to 311201302013 its reverse (310203102113), we get a palindrome (621404404126).

The spelling of 311201302013 in words is "three hundred eleven billion, two hundred one million, three hundred two thousand, thirteen".