131093093 has 2 divisors, whose sum is σ = 131093094. Its totient is φ = 131093092.

The previous prime is 131093063. The next prime is 131093099. The reversal of 131093093 is 390390131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102556129 + 28536964 = 10127^2 + 5342^2 .

It is a cyclic number.

It is not a de Polignac number, because 131093093 - 2⁶ = 131093029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131093099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65546546 + 65546547.

It is an arithmetic number, because the mean of its divisors is an integer number (65546547).

Almost surely, 2^131093093 is an apocalyptic number.

It is an amenable number.

131093093 is a deficient number, since it is larger than the sum of its proper divisors (1).

131093093 is an equidigital number, since it uses as much as digits as its factorization.

131093093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 131093093 is about 11449.5892066048. The cubic root of 131093093 is about 507.9955837444.

The spelling of 131093093 in words is "one hundred thirty-one million, ninety-three thousand, ninety-three".