313121120311 has 8 divisors (see below), whose sum is σ = 314169859584. Its totient is φ = 312073585920.

The previous prime is 313121120281. The next prime is 313121120353. The reversal of 313121120311 is 113021121313.

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 313121120311 - 2²³ = 313112731703 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 (313121120911) 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 7 ways as a sum of consecutive naturals, for example, 220915 + ... + 821611.

It is an arithmetic number, because the mean of its divisors is an integer number (39271232448).

Almost surely, 2^313121120311 is an apocalyptic number.

313121120311 is a deficient number, since it is larger than the sum of its proper divisors (1048739273).

313121120311 is a wasteful number, since it uses less digits than its factorization.

313121120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602441.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 313121120311 its reverse (113021121313), we get a palindrome (426142241624).

The spelling of 313121120311 in words is "three hundred thirteen billion, one hundred twenty-one million, one hundred twenty thousand, three hundred eleven".