131100093 has 8 divisors (see below), whose sum is σ = 194222400. Its totient is φ = 87400044.

The previous prime is 131100089. The next prime is 131100103. The reversal of 131100093 is 390001131.

It is not a de Polignac number, because 131100093 - 2² = 131100089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131104093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2427753 + ... + 2427806.

It is an arithmetic number, because the mean of its divisors is an integer number (24277800).

Almost surely, 2^131100093 is an apocalyptic number.

It is an amenable number.

131100093 is a deficient number, since it is larger than the sum of its proper divisors (63122307).

131100093 is an equidigital number, since it uses as much as digits as its factorization.

131100093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855568 (or 4855562 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 131100093 is about 11449.8948903472. The cubic root of 131100093 is about 508.0046254255.

The spelling of 131100093 in words is "one hundred thirty-one million, one hundred thousand, ninety-three".