131271934 has 8 divisors (see below), whose sum is σ = 197300880. Its totient is φ = 65504976.

The previous prime is 131271913. The next prime is 131271989. The reversal of 131271934 is 439172131.

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

It is a super-2 number, since 2×131271934² = 34464641312200712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131271896 and 131271905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64239 + ... + 66250.

It is an arithmetic number, because the mean of its divisors is an integer number (24662610).

Almost surely, 2^131271934 is an apocalyptic number.

131271934 is a deficient number, since it is larger than the sum of its proper divisors (66028946).

131271934 is a wasteful number, since it uses less digits than its factorization.

131271934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130994.

The product of its digits is 4536, while the sum is 31.

The square root of 131271934 is about 11457.3964756397. The cubic root of 131271934 is about 508.2264862118.

The spelling of 131271934 in words is "one hundred thirty-one million, two hundred seventy-one thousand, nine hundred thirty-four".