13132223031 has 4 divisors (see below), whose sum is σ = 17509630712. Its totient is φ = 8754815352.

The previous prime is 13132223023. The next prime is 13132223059. The reversal of 13132223031 is 13032223131.

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

It is not a de Polignac number, because 13132223031 - 2³ = 13132223023 is a prime.

It is a super-2 number, since 2×13132223031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13132222989 and 13132223007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132223011) 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, 2188703836 + ... + 2188703841.

It is an arithmetic number, because the mean of its divisors is an integer number (4377407678).

Almost surely, 2^13132223031 is an apocalyptic number.

13132223031 is a deficient number, since it is larger than the sum of its proper divisors (4377407681).

13132223031 is an equidigital number, since it uses as much as digits as its factorization.

13132223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377407680.

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

Adding to 13132223031 its reverse (13032223131), we get a palindrome (26164446162).

It can be divided in two parts, 1313222 and 3031, that added together give a triangular number (1316253 = T₁₆₂₂).

The spelling of 13132223031 in words is "thirteen billion, one hundred thirty-two million, two hundred twenty-three thousand, thirty-one".