131308934 has 4 divisors (see below), whose sum is σ = 196963404. Its totient is φ = 65654466.

The previous prime is 131308907. The next prime is 131308939. The reversal of 131308934 is 439803131.

It is a happy number.

131308934 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 439803131 = 499 ⋅881369.

It is a super-2 number, since 2×131308934² = 34484072296432712, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131308934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131308939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32827232 + ... + 32827235.

It is an arithmetic number, because the mean of its divisors is an integer number (49240851).

Almost surely, 2^131308934 is an apocalyptic number.

131308934 is a deficient number, since it is larger than the sum of its proper divisors (65654470).

131308934 is an equidigital number, since it uses as much as digits as its factorization.

131308934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65654469.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 131308934 is about 11459.0110393524. The cubic root of 131308934 is about 508.2742309022.

The spelling of 131308934 in words is "one hundred thirty-one million, three hundred eight thousand, nine hundred thirty-four".