310231321311 has 4 divisors (see below), whose sum is σ = 413641761752. Its totient is φ = 206820880872.

The previous prime is 310231321297. The next prime is 310231321327. The reversal of 310231321311 is 113123132013.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 310231321311 - 2³⁰ = 309157579487 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 (310231121311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51705220216 + ... + 51705220221.

It is an arithmetic number, because the mean of its divisors is an integer number (103410440438).

Almost surely, 2^310231321311 is an apocalyptic number.

310231321311 is a deficient number, since it is larger than the sum of its proper divisors (103410440441).

310231321311 is a wasteful number, since it uses less digits than its factorization.

310231321311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103410440440.

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

Adding to 310231321311 its reverse (113123132013), we get a palindrome (423354453324).

The spelling of 310231321311 in words is "three hundred ten billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred eleven".