131234279 has 8 divisors (see below), whose sum is σ = 143389200. Its totient is φ = 119116800.

The previous prime is 131234267. The next prime is 131234281. The reversal of 131234279 is 972432131.

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

It is not a de Polignac number, because 131234279 - 2⁴ = 131234263 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 (131234219) 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, 1754 + ... + 16295.

It is an arithmetic number, because the mean of its divisors is an integer number (17923650).

Almost surely, 2^131234279 is an apocalyptic number.

131234279 is a deficient number, since it is larger than the sum of its proper divisors (12154921).

131234279 is a wasteful number, since it uses less digits than its factorization.

131234279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18721.

The product of its digits is 9072, while the sum is 32.

The square root of 131234279 is about 11455.7530961522. The cubic root of 131234279 is about 508.1778870993.

The spelling of 131234279 in words is "one hundred thirty-one million, two hundred thirty-four thousand, two hundred seventy-nine".