131108519 has 2 divisors, whose sum is σ = 131108520. Its totient is φ = 131108518.

The previous prime is 131108513. The next prime is 131108587. The reversal of 131108519 is 915801131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131108519 is a prime.

It is a super-2 number, since 2×131108519² = 34378887508746722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131108491 and 131108500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131108513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65554259 + 65554260.

It is an arithmetic number, because the mean of its divisors is an integer number (65554260).

Almost surely, 2^131108519 is an apocalyptic number.

131108519 is a deficient number, since it is larger than the sum of its proper divisors (1).

131108519 is an equidigital number, since it uses as much as digits as its factorization.

131108519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 131108519 is about 11450.2628354112. The cubic root of 131108519 is about 508.0155085992.

The spelling of 131108519 in words is "one hundred thirty-one million, one hundred eight thousand, five hundred nineteen".