311313121013 has 8 divisors (see below), whose sum is σ = 313689970080. Its totient is φ = 308943357520.

The previous prime is 311313120961. The next prime is 311313121039. The reversal of 311313121013 is 310121313113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311313121013 - 2¹⁴ = 311313104629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311313121313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1683170 + ... + 1858947.

It is an arithmetic number, because the mean of its divisors is an integer number (39211246260).

Almost surely, 2^311313121013 is an apocalyptic number.

It is an amenable number.

311313121013 is a deficient number, since it is larger than the sum of its proper divisors (2376849067).

311313121013 is a wasteful number, since it uses less digits than its factorization.

311313121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542787.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 311313121013 its reverse (310121313113), we get a palindrome (621434434126).

The spelling of 311313121013 in words is "three hundred eleven billion, three hundred thirteen million, one hundred twenty-one thousand, thirteen".