131104913 has 2 divisors, whose sum is σ = 131104914. Its totient is φ = 131104912.

The previous prime is 131104877. The next prime is 131104933. The reversal of 131104913 is 319401131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121264144 + 9840769 = 11012^2 + 3137^2 .

It is a cyclic number.

It is not a de Polignac number, because 131104913 - 2²⁰ = 130056337 is a prime.

It is not a weakly prime, because it can be changed into another prime (131104933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65552456 + 65552457.

It is an arithmetic number, because the mean of its divisors is an integer number (65552457).

Almost surely, 2^131104913 is an apocalyptic number.

It is an amenable number.

131104913 is a deficient number, since it is larger than the sum of its proper divisors (1).

131104913 is an equidigital number, since it uses as much as digits as its factorization.

131104913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 131104913 is about 11450.1053706942. The cubic root of 131104913 is about 508.0108510816.

The spelling of 131104913 in words is "one hundred thirty-one million, one hundred four thousand, nine hundred thirteen".