23022213131 has 4 divisors (see below), whose sum is σ = 23044161000. Its totient is φ = 23000265264.

The previous prime is 23022213103. The next prime is 23022213143. The reversal of 23022213131 is 13131222032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23022213131 is a prime.

It is a super-3 number, since 3×23022213131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23022216131) 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, 10972361 + ... + 10974458.

It is an arithmetic number, because the mean of its divisors is an integer number (5761040250).

Almost surely, 2^23022213131 is an apocalyptic number.

23022213131 is a deficient number, since it is larger than the sum of its proper divisors (21947869).

23022213131 is a wasteful number, since it uses less digits than its factorization.

23022213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21947868.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23022213131 its reverse (13131222032), we get a palindrome (36153435163).

The spelling of 23022213131 in words is "twenty-three billion, twenty-two million, two hundred thirteen thousand, one hundred thirty-one".