13332121131 has 16 divisors (see below), whose sum is σ = 20318240768. Its totient is φ = 7617369600.

The previous prime is 13332121129. The next prime is 13332121169. The reversal of 13332121131 is 13112123331.

It is a happy number.

It is not a de Polignac number, because 13332121131 - 2¹ = 13332121129 is a prime.

It is a super-2 number, since 2×13332121131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13332121098 and 13332121107.

It is not an unprimeable number, because it can be changed into a prime (13332129131) 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, 144726 + ... + 218196.

It is an arithmetic number, because the mean of its divisors is an integer number (1269890048).

Almost surely, 2^13332121131 is an apocalyptic number.

13332121131 is a deficient number, since it is larger than the sum of its proper divisors (6986119637).

13332121131 is an equidigital number, since it uses as much as digits as its factorization.

13332121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82122.

The product of its digits is 324, while the sum is 21.

Adding to 13332121131 its reverse (13112123331), we get a palindrome (26444244462).

The spelling of 13332121131 in words is "thirteen billion, three hundred thirty-two million, one hundred twenty-one thousand, one hundred thirty-one".