131213199 has 8 divisors (see below), whose sum is σ = 188408752. Its totient is φ = 80746560.

The previous prime is 131213177. The next prime is 131213249. The reversal of 131213199 is 991312131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131213199 - 2⁸ = 131212943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131213129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682182 + ... + 1682259.

It is an arithmetic number, because the mean of its divisors is an integer number (23551094).

Almost surely, 2^131213199 is an apocalyptic number.

131213199 is a deficient number, since it is larger than the sum of its proper divisors (57195553).

131213199 is a wasteful number, since it uses less digits than its factorization.

131213199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364457.

The product of its digits is 1458, while the sum is 30.

The square root of 131213199 is about 11454.8329974732. The cubic root of 131213199 is about 508.1506763137.

The spelling of 131213199 in words is "one hundred thirty-one million, two hundred thirteen thousand, one hundred ninety-nine".