131037619 has 2 divisors, whose sum is σ = 131037620. Its totient is φ = 131037618.

The previous prime is 131037587. The next prime is 131037653. The reversal of 131037619 is 916730131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131037619 - 2⁵ = 131037587 is a prime.

It is a super-2 number, since 2×131037619² = 34341715186378322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131037919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65518809 + 65518810.

It is an arithmetic number, because the mean of its divisors is an integer number (65518810).

Almost surely, 2^131037619 is an apocalyptic number.

131037619 is a deficient number, since it is larger than the sum of its proper divisors (1).

131037619 is an equidigital number, since it uses as much as digits as its factorization.

131037619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 131037619 is about 11447.1664179394. The cubic root of 131037619 is about 507.9239183289.

The spelling of 131037619 in words is "one hundred thirty-one million, thirty-seven thousand, six hundred nineteen".