13132121431 has 8 divisors (see below), whose sum is σ = 15427947024. Its totient is φ = 11019961920.

The previous prime is 13132121369. The next prime is 13132121467. The reversal of 13132121431 is 13412123131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13132121431 - 2¹¹ = 13132119383 is a prime.

It is a super-2 number, since 2×13132121431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132121531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45916366 + ... + 45916651.

It is an arithmetic number, because the mean of its divisors is an integer number (1928493378).

Almost surely, 2^13132121431 is an apocalyptic number.

13132121431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13132121431 is a deficient number, since it is larger than the sum of its proper divisors (2295825593).

13132121431 is a wasteful number, since it uses less digits than its factorization.

13132121431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91833041.

The product of its digits is 432, while the sum is 22.

Adding to 13132121431 its reverse (13412123131), we get a palindrome (26544244562).

The spelling of 13132121431 in words is "thirteen billion, one hundred thirty-two million, one hundred twenty-one thousand, four hundred thirty-one".