131032619 has 4 divisors (see below), whose sum is σ = 132033000. Its totient is φ = 130032240.

The previous prime is 131032609. The next prime is 131032621. The reversal of 131032619 is 916230131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131032619 - 2¹² = 131028523 is a prime.

It is a super-2 number, since 2×131032619² = 34339094483998322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131032609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499994 + ... + 500255.

It is an arithmetic number, because the mean of its divisors is an integer number (33008250).

Almost surely, 2^131032619 is an apocalyptic number.

131032619 is a deficient number, since it is larger than the sum of its proper divisors (1000381).

131032619 is a wasteful number, since it uses less digits than its factorization.

131032619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000380.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 131032619 is about 11446.9480211976. The cubic root of 131032619 is about 507.9174579655.

The spelling of 131032619 in words is "one hundred thirty-one million, thirty-two thousand, six hundred nineteen".