131301122232331 has 4 divisors (see below), whose sum is σ = 138211707613000. Its totient is φ = 124390536851664.

The previous prime is 131301122232323. The next prime is 131301122232353. The reversal of 131301122232331 is 133232221103131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131301122232331 - 2³ = 131301122232323 is a prime.

It is a super-2 number, since 2×131301122232331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131301122232331.

It is not an unprimeable number, because it can be changed into a prime (131301128232331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455292690306 + ... + 3455292690343.

It is an arithmetic number, because the mean of its divisors is an integer number (34552926903250).

Almost surely, 2^{131301122232331} is an apocalyptic number.

131301122232331 is a deficient number, since it is larger than the sum of its proper divisors (6910585380669).

131301122232331 is an equidigital number, since it uses as much as digits as its factorization.

131301122232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910585380668.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 131301122232331 its reverse (133232221103131), we get a palindrome (264533343335462).

The spelling of 131301122232331 in words is "one hundred thirty-one trillion, three hundred one billion, one hundred twenty-two million, two hundred thirty-two thousand, three hundred thirty-one".