131830619 has 2 divisors, whose sum is σ = 131830620. Its totient is φ = 131830618.

The previous prime is 131830571. The next prime is 131830637. The reversal of 131830619 is 916038131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131830619 is a prime.

It is a super-2 number, since 2×131830619² = 34758624211846322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131830649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65915309 + 65915310.

It is an arithmetic number, because the mean of its divisors is an integer number (65915310).

Almost surely, 2^131830619 is an apocalyptic number.

131830619 is a deficient number, since it is larger than the sum of its proper divisors (1).

131830619 is an equidigital number, since it uses as much as digits as its factorization.

131830619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 131830619 is about 11481.7515649835. The cubic root of 131830619 is about 508.9464589875.

The spelling of 131830619 in words is "one hundred thirty-one million, eight hundred thirty thousand, six hundred nineteen".