23211231131022 has 64 divisors (see below), whose sum is σ = 53381418854400. Its totient is φ = 6654345302880.

The previous prime is 23211231130987. The next prime is 23211231131087. The reversal of 23211231131022 is 22013113211232.

It is a super-2 number, since 2×23211231131022² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23211231130983 and 23211231131001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11818572 + ... + 13641887.

It is an arithmetic number, because the mean of its divisors is an integer number (834084669600).

Almost surely, 2^{23211231131022} is an apocalyptic number.

23211231131022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23211231131022 is an abundant number, since it is smaller than the sum of its proper divisors (30170187723378).

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

23211231131022 is a wasteful number, since it uses less digits than its factorization.

23211231131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25461221.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 23211231131022 its reverse (22013113211232), we get a palindrome (45224344342254).

The spelling of 23211231131022 in words is "twenty-three trillion, two hundred eleven billion, two hundred thirty-one million, one hundred thirty-one thousand, twenty-two".