231020313311322 has 24 divisors (see below), whose sum is σ = 503309448712980. Its totient is φ = 76581319328640.

The previous prime is 231020313311297. The next prime is 231020313311539. The reversal of 231020313311322 is 223113313020132.

231020313311322 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 2 + 0 + 3 + 1 + 331 + 1 + 322 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 161824884123681 + 69195429187641 = 12721041^2 + 8318379^2 .

It is a super-3 number, since 3×231020313311322³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35454311247 + ... + 35454317762.

Almost surely, 2^{231020313311322} is an apocalyptic number.

231020313311322 is an abundant number, since it is smaller than the sum of its proper divisors (272289135401658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231020313311322 is a wasteful number, since it uses less digits than its factorization.

231020313311322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70908629198 (or 70908629195 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 231020313311322 its reverse (223113313020132), we get a palindrome (454133626331454).

The spelling of 231020313311322 in words is "two hundred thirty-one trillion, twenty billion, three hundred thirteen million, three hundred eleven thousand, three hundred twenty-two".