131321119 has 4 divisors (see below), whose sum is σ = 131478480. Its totient is φ = 131163760.

The previous prime is 131321101. The next prime is 131321131. The reversal of 131321119 is 911123131.

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 131321119 - 2²¹ = 129223967 is a prime.

It is a super-2 number, since 2×131321119² = 34490472590824322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131321119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77422 + ... + 79099.

It is an arithmetic number, because the mean of its divisors is an integer number (32869620).

Almost surely, 2^131321119 is an apocalyptic number.

131321119 is a deficient number, since it is larger than the sum of its proper divisors (157361).

131321119 is an equidigital number, since it uses as much as digits as its factorization.

131321119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157360.

The product of its digits is 162, while the sum is 22.

The square root of 131321119 is about 11459.5427046632. The cubic root of 131321119 is about 508.2899524269.

The spelling of 131321119 in words is "one hundred thirty-one million, three hundred twenty-one thousand, one hundred nineteen".