131355111 has 8 divisors (see below), whose sum is σ = 175477120. Its totient is φ = 87401592.

The previous prime is 131355097. The next prime is 131355127. The reversal of 131355111 is 111553131.

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

It is not a de Polignac number, because 131355111 - 2⁵ = 131355079 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 (131355611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40291 + ... + 43428.

It is an arithmetic number, because the mean of its divisors is an integer number (21934640).

Almost surely, 2^131355111 is an apocalyptic number.

131355111 is a deficient number, since it is larger than the sum of its proper divisors (44122009).

131355111 is an equidigital number, since it uses as much as digits as its factorization.

131355111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84245.

The product of its digits is 225, while the sum is 21.

The square root of 131355111 is about 11461.0257394354. The cubic root of 131355111 is about 508.3338049863. Note that the first 3 decimals are identical.

The spelling of 131355111 in words is "one hundred thirty-one million, three hundred fifty-five thousand, one hundred eleven".