131343099 has 4 divisors (see below), whose sum is σ = 175124136. Its totient is φ = 87562064.

The previous prime is 131343097. The next prime is 131343119. The reversal of 131343099 is 990343131.

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 131343099 - 2¹ = 131343097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131343097) 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, 21890514 + ... + 21890519.

It is an arithmetic number, because the mean of its divisors is an integer number (43781034).

Almost surely, 2^131343099 is an apocalyptic number.

131343099 is a deficient number, since it is larger than the sum of its proper divisors (43781037).

131343099 is an equidigital number, since it uses as much as digits as its factorization.

131343099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43781036.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 131343099 is about 11460.5016905893. The cubic root of 131343099 is about 508.3183093532.

The spelling of 131343099 in words is "one hundred thirty-one million, three hundred forty-three thousand, ninety-nine".