131280118133 has 4 divisors (see below), whose sum is σ = 133757101548. Its totient is φ = 128803134720.

The previous prime is 131280118127. The next prime is 131280118171. The reversal of 131280118133 is 331811082131.

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 47387629969 + 83892488164 = 217687^2 + 289642^2 .

It is a cyclic number.

It is not a de Polignac number, because 131280118133 - 2⁸ = 131280117877 is a prime.

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 131280118133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131280118103) 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, 1238491628 + ... + 1238491733.

It is an arithmetic number, because the mean of its divisors is an integer number (33439275387).

Almost surely, 2^131280118133 is an apocalyptic number.

It is an amenable number.

131280118133 is a deficient number, since it is larger than the sum of its proper divisors (2476983415).

131280118133 is an equidigital number, since it uses as much as digits as its factorization.

131280118133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476983414.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 131280118133 in words is "one hundred thirty-one billion, two hundred eighty million, one hundred eighteen thousand, one hundred thirty-three".