311013320022031 has 24 divisors (see below), whose sum is σ = 353752955992800. Its totient is φ = 272907038712000.

The previous prime is 311013320022019. The next prime is 311013320022047. The reversal of 311013320022031 is 130220023310113.

It is not a de Polignac number, because 311013320022031 - 2⁴³ = 302217226999823 is a prime.

It is a super-2 number, since 2×311013320022031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311013320021993 and 311013320022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311013320022011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1841971 + ... + 25008388.

It is an arithmetic number, because the mean of its divisors is an integer number (14739706499700).

Almost surely, 2^{311013320022031} is an apocalyptic number.

311013320022031 is a deficient number, since it is larger than the sum of its proper divisors (42739635970769).

311013320022031 is a wasteful number, since it uses less digits than its factorization.

311013320022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26853711 (or 26853700 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 311013320022031 its reverse (130220023310113), we get a palindrome (441233343332144).

The spelling of 311013320022031 in words is "three hundred eleven trillion, thirteen billion, three hundred twenty million, twenty-two thousand, thirty-one".