20223113031 has 24 divisors (see below), whose sum is σ = 31906143360. Its totient is φ = 12241270800.

The previous prime is 20223112991. The next prime is 20223113033. The reversal of 20223113031 is 13031132202.

It is not a de Polignac number, because 20223113031 - 2³⁰ = 19149371207 is a prime.

It is a super-2 number, since 2×20223113031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20223112995 and 20223113013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223113033) 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, 45651 + ... + 206228.

It is an arithmetic number, because the mean of its divisors is an integer number (1329422640).

Almost surely, 2^20223113031 is an apocalyptic number.

20223113031 is a deficient number, since it is larger than the sum of its proper divisors (11683030329).

20223113031 is a wasteful number, since it uses less digits than its factorization.

20223113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252707 (or 252704 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20223113031 its reverse (13031132202), we get a palindrome (33254245233).

The spelling of 20223113031 in words is "twenty billion, two hundred twenty-three million, one hundred thirteen thousand, thirty-one".