13031122023 has 16 divisors (see below), whose sum is σ = 19446286560. Its totient is φ = 8624000448.

The previous prime is 13031122021. The next prime is 13031122043. The reversal of 13031122023 is 32022113031.

13031122023 is a `hidden beast` number, since 130 + 311 + 220 + 2 + 3 = 666.

It is not a de Polignac number, because 13031122023 - 2¹ = 13031122021 is a prime.

It is a super-2 number, since 2×13031122023² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13031121987 and 13031122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031122021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757740 + ... + 1765137.

It is an arithmetic number, because the mean of its divisors is an integer number (1215392910).

Almost surely, 2^13031122023 is an apocalyptic number.

13031122023 is a deficient number, since it is larger than the sum of its proper divisors (6415164537).

13031122023 is a wasteful number, since it uses less digits than its factorization.

13031122023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523023 (or 3523017 counting only the distinct ones).

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

Adding to 13031122023 its reverse (32022113031), we get a palindrome (45053235054).

The spelling of 13031122023 in words is "thirteen billion, thirty-one million, one hundred twenty-two thousand, twenty-three".