131431334 has 8 divisors (see below), whose sum is σ = 197481240. Its totient is φ = 65604256.

The previous prime is 131431309. The next prime is 131431343. The reversal of 131431334 is 433134131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54224 + ... + 56595.

It is an arithmetic number, because the mean of its divisors is an integer number (24685155).

Almost surely, 2^131431334 is an apocalyptic number.

131431334 is a deficient number, since it is larger than the sum of its proper divisors (66049906).

131431334 is a wasteful number, since it uses less digits than its factorization.

131431334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111414.

The product of its digits is 1296, while the sum is 23.

The square root of 131431334 is about 11464.3505703550. The cubic root of 131431334 is about 508.4321116175.

Adding to 131431334 its reverse (433134131), we get a palindrome (564565465).

The spelling of 131431334 in words is "one hundred thirty-one million, four hundred thirty-one thousand, three hundred thirty-four".