131133332321 has 4 divisors (see below), whose sum is σ = 132793248000. Its totient is φ = 129473416644.

The previous prime is 131133332287. The next prime is 131133332333. The reversal of 131133332321 is 123233331131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123233331131 = 53549 ⋅2301319.

It is a cyclic number.

It is not a de Polignac number, because 131133332321 - 2³⁴ = 113953463137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131133352321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829957721 + ... + 829957878.

It is an arithmetic number, because the mean of its divisors is an integer number (33198312000).

Almost surely, 2^131133332321 is an apocalyptic number.

It is an amenable number.

131133332321 is a deficient number, since it is larger than the sum of its proper divisors (1659915679).

131133332321 is an equidigital number, since it uses as much as digits as its factorization.

131133332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659915678.

The product of its digits is 2916, while the sum is 26.

Adding to 131133332321 its reverse (123233331131), we get a palindrome (254366663452).

The spelling of 131133332321 in words is "one hundred thirty-one billion, one hundred thirty-three million, three hundred thirty-two thousand, three hundred twenty-one".