13132021331 has 16 divisors (see below), whose sum is σ = 16335351648. Its totient is φ = 10371648000.

The previous prime is 13132021303. The next prime is 13132021333. The reversal of 13132021331 is 13312023131.

It is a cyclic number.

It is not a de Polignac number, because 13132021331 - 2⁶ = 13132021267 is a prime.

It is a super-2 number, since 2×13132021331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13132021333) 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, 2698520 + ... + 2703381.

It is an arithmetic number, because the mean of its divisors is an integer number (1020959478).

Almost surely, 2^13132021331 is an apocalyptic number.

13132021331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13132021331 is a deficient number, since it is larger than the sum of its proper divisors (3203330317).

13132021331 is a wasteful number, since it uses less digits than its factorization.

13132021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401942.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13132021331 its reverse (13312023131), we get a palindrome (26444044462).

The spelling of 13132021331 in words is "thirteen billion, one hundred thirty-two million, twenty-one thousand, three hundred thirty-one".