131411117 has 2 divisors, whose sum is σ = 131411118. Its totient is φ = 131411116.

The previous prime is 131411099. The next prime is 131411149. The reversal of 131411117 is 711114131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80802121 + 50608996 = 8989^2 + 7114^2 .

It is a cyclic number.

It is not a de Polignac number, because 131411117 - 2¹⁰ = 131410093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131411177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65705558 + 65705559.

It is an arithmetic number, because the mean of its divisors is an integer number (65705559).

Almost surely, 2^131411117 is an apocalyptic number.

It is an amenable number.

131411117 is a deficient number, since it is larger than the sum of its proper divisors (1).

131411117 is an equidigital number, since it uses as much as digits as its factorization.

131411117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84, while the sum is 20.

The square root of 131411117 is about 11463.4688031154. The cubic root of 131411117 is about 508.4060409721.

Adding to 131411117 its reverse (711114131), we get a palindrome (842525248).

The spelling of 131411117 in words is "one hundred thirty-one million, four hundred eleven thousand, one hundred seventeen".