131120519 has 2 divisors, whose sum is σ = 131120520. Its totient is φ = 131120518.

The previous prime is 131120497. The next prime is 131120557. The reversal of 131120519 is 915021131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131120519 - 2²⁰ = 130071943 is a prime.

It is a super-2 number, since 2×131120519² = 34385181005658722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131120494 and 131120503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131120579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65560259 + 65560260.

It is an arithmetic number, because the mean of its divisors is an integer number (65560260).

Almost surely, 2^131120519 is an apocalyptic number.

131120519 is a deficient number, since it is larger than the sum of its proper divisors (1).

131120519 is an equidigital number, since it uses as much as digits as its factorization.

131120519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 131120519 is about 11450.7868288603. The cubic root of 131120519 is about 508.0310072110.

The spelling of 131120519 in words is "one hundred thirty-one million, one hundred twenty thousand, five hundred nineteen".