13222032131 has 16 divisors (see below), whose sum is σ = 16497623040. Its totient is φ = 10294750080.

The previous prime is 13222031989. The next prime is 13222032137. The reversal of 13222032131 is 13123022231.

It is a cyclic number.

It is not a de Polignac number, because 13222032131 - 2²² = 13217837827 is a prime.

It is a super-2 number, since 2×13222032131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222032137) 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, 31355 + ... + 165611.

It is an arithmetic number, because the mean of its divisors is an integer number (1031101440).

Almost surely, 2^13222032131 is an apocalyptic number.

13222032131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13222032131 is a deficient number, since it is larger than the sum of its proper divisors (3275590909).

13222032131 is a wasteful number, since it uses less digits than its factorization.

13222032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135554.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13222032131 its reverse (13123022231), we get a palindrome (26345054362).

The spelling of 13222032131 in words is "thirteen billion, two hundred twenty-two million, thirty-two thousand, one hundred thirty-one".