131009099 has 8 divisors (see below), whose sum is σ = 142457952. Its totient is φ = 119756160.

The previous prime is 131009077. The next prime is 131009107. The reversal of 131009099 is 990900131.

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 131009099 - 2²⁴ = 114231883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131009059) 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, 47582 + ... + 50259.

It is an arithmetic number, because the mean of its divisors is an integer number (17807244).

Almost surely, 2^131009099 is an apocalyptic number.

131009099 is a deficient number, since it is larger than the sum of its proper divisors (11448853).

131009099 is a wasteful number, since it uses less digits than its factorization.

131009099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97957.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 131009099 is about 11445.9206270182. The cubic root of 131009099 is about 507.8870662113.

The spelling of 131009099 in words is "one hundred thirty-one million, nine thousand, ninety-nine".