13131322023 has 16 divisors (see below), whose sum is σ = 18122510336. Its totient is φ = 8448714720.

The previous prime is 13131321967. The next prime is 13131322037. The reversal of 13131322023 is 32022313131.

It is not a de Polignac number, because 13131322023 - 2²² = 13127127719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131322063) 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, 158236 + ... + 226497.

It is an arithmetic number, because the mean of its divisors is an integer number (1132656896).

Almost surely, 2^13131322023 is an apocalyptic number.

13131322023 is a deficient number, since it is larger than the sum of its proper divisors (4991188313).

13131322023 is a wasteful number, since it uses less digits than its factorization.

13131322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385134.

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

Adding to 13131322023 its reverse (32022313131), we get a palindrome (45153635154).

The spelling of 13131322023 in words is "thirteen billion, one hundred thirty-one million, three hundred twenty-two thousand, twenty-three".