131512334 has 8 divisors (see below), whose sum is σ = 198260400. Its totient is φ = 65425536.

The previous prime is 131512331. The next prime is 131512343. The reversal of 131512334 is 433215131.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131512331) 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, 164819 + ... + 165614.

It is an arithmetic number, because the mean of its divisors is an integer number (24782550).

Almost surely, 2^131512334 is an apocalyptic number.

131512334 is a deficient number, since it is larger than the sum of its proper divisors (66748066).

131512334 is a wasteful number, since it uses less digits than its factorization.

131512334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330634.

The product of its digits is 1080, while the sum is 23.

The square root of 131512334 is about 11467.8827165262. The cubic root of 131512334 is about 508.5365376130.

Adding to 131512334 its reverse (433215131), we get a palindrome (564727465).

The spelling of 131512334 in words is "one hundred thirty-one million, five hundred twelve thousand, three hundred thirty-four".