131612383 has 6 divisors (see below), whose sum is σ = 153100176. Its totient is φ = 112810572.

The previous prime is 131612363. The next prime is 131612387. The reversal of 131612383 is 383216131.

It is a de Polignac number, because none of the positive numbers 2^k-131612383 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 (131612387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1342935 + ... + 1343032.

It is an arithmetic number, because the mean of its divisors is an integer number (25516696).

Almost surely, 2^131612383 is an apocalyptic number.

131612383 is a deficient number, since it is larger than the sum of its proper divisors (21487793).

131612383 is an equidigital number, since it uses as much as digits as its factorization.

131612383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685981 (or 2685974 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 131612383 is about 11472.2440263446. The cubic root of 131612383 is about 508.6654625938.

The spelling of 131612383 in words is "one hundred thirty-one million, six hundred twelve thousand, three hundred eighty-three".