13322021131 has 6 divisors (see below), whose sum is σ = 13797242732. Its totient is φ = 12862640280.

The previous prime is 13322021123. The next prime is 13322021147. The reversal of 13322021131 is 13112022331.

It is not a de Polignac number, because 13322021131 - 2³ = 13322021123 is a prime.

It is a super-2 number, since 2×13322021131² (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 = 13322021099 and 13322021108.

It is not an unprimeable number, because it can be changed into a prime (13322021231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7919505 + ... + 7921186.

Almost surely, 2^13322021131 is an apocalyptic number.

13322021131 is a deficient number, since it is larger than the sum of its proper divisors (475221601).

13322021131 is an equidigital number, since it uses as much as digits as its factorization.

13322021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15840749 (or 15840720 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13322021131 its reverse (13112022331), we get a palindrome (26434043462).

The spelling of 13322021131 in words is "thirteen billion, three hundred twenty-two million, twenty-one thousand, one hundred thirty-one".