131230091 has 8 divisors (see below), whose sum is σ = 132483600. Its totient is φ = 129982720.

The previous prime is 131230087. The next prime is 131230117. The reversal of 131230091 is 190032131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131230091 - 2² = 131230087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131230051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48995 + ... + 51603.

It is an arithmetic number, because the mean of its divisors is an integer number (16560450).

Almost surely, 2^131230091 is an apocalyptic number.

131230091 is a deficient number, since it is larger than the sum of its proper divisors (1253509).

131230091 is a wasteful number, since it uses less digits than its factorization.

131230091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 131230091 is about 11455.5703044414. The cubic root of 131230091 is about 508.1724813175.

The spelling of 131230091 in words is "one hundred thirty-one million, two hundred thirty thousand, ninety-one".