131396111 has 16 divisors (see below), whose sum is σ = 173456640. Its totient is φ = 96362880.

The previous prime is 131396099. The next prime is 131396113. The reversal of 131396111 is 111693131.

It is a cyclic number.

It is not a de Polignac number, because 131396111 - 2⁶ = 131396047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131396113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48881 + ... + 51498.

It is an arithmetic number, because the mean of its divisors is an integer number (10841040).

Almost surely, 2^131396111 is an apocalyptic number.

131396111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131396111 is a deficient number, since it is larger than the sum of its proper divisors (42060529).

131396111 is a wasteful number, since it uses less digits than its factorization.

131396111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100414.

The product of its digits is 486, while the sum is 26.

The square root of 131396111 is about 11462.8142705009. The cubic root of 131396111 is about 508.3866883947.

The spelling of 131396111 in words is "one hundred thirty-one million, three hundred ninety-six thousand, one hundred eleven".