22313131023 has 32 divisors (see below), whose sum is σ = 33228748800. Its totient is φ = 13235567616.

The previous prime is 22313131007. The next prime is 22313131073. The reversal of 22313131023 is 32013131322.

It is not a de Polignac number, because 22313131023 - 2⁴ = 22313131007 is a prime.

It is a super-3 number, since 3×22313131023³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313131073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440115 + ... + 488187.

It is an arithmetic number, because the mean of its divisors is an integer number (1038398400).

Almost surely, 2^22313131023 is an apocalyptic number.

22313131023 is a deficient number, since it is larger than the sum of its proper divisors (10915617777).

22313131023 is a wasteful number, since it uses less digits than its factorization.

22313131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48591.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22313131023 its reverse (32013131322), we get a palindrome (54326262345).

The spelling of 22313131023 in words is "twenty-two billion, three hundred thirteen million, one hundred thirty-one thousand, twenty-three".