131002133233201 has 4 divisors (see below), whose sum is σ = 131139596123172. Its totient is φ = 130864670343232.

The previous prime is 131002133233121. The next prime is 131002133233249. The reversal of 131002133233201 is 102332331200131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22484098227600 + 108518035005601 = 4741740^2 + 10417199^2 .

It is a cyclic number.

It is not a de Polignac number, because 131002133233201 - 2³⁹ = 130452377419313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131002133231201) 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, 68731443556 + ... + 68731445461.

It is an arithmetic number, because the mean of its divisors is an integer number (32784899030793).

Almost surely, 2^{131002133233201} is an apocalyptic number.

It is an amenable number.

131002133233201 is a deficient number, since it is larger than the sum of its proper divisors (137462889971).

131002133233201 is an equidigital number, since it uses as much as digits as its factorization.

131002133233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137462889970.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 131002133233201 its reverse (102332331200131), we get a palindrome (233334464433332).

The spelling of 131002133233201 in words is "one hundred thirty-one trillion, two billion, one hundred thirty-three million, two hundred thirty-three thousand, two hundred one".