131110111 has 8 divisors (see below), whose sum is σ = 143772624. Its totient is φ = 118571520.

The previous prime is 131110081. The next prime is 131110141. The reversal of 131110111 is 111011131.

It is an interprime number because it is at equal distance from previous prime (131110081) and next prime (131110141).

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

It is a cyclic number.

It is not a de Polignac number, because 131110111 - 2⁷ = 131109983 is a prime.

It is a super-2 number, since 2×131110111² = 34379722412864642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131110141) 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, 28756 + ... + 33001.

It is an arithmetic number, because the mean of its divisors is an integer number (17971578).

Almost surely, 2^131110111 is an apocalyptic number.

131110111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131110111 is a deficient number, since it is larger than the sum of its proper divisors (12662513).

131110111 is a wasteful number, since it uses less digits than its factorization.

131110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61961.

The product of its (nonzero) digits is 3, while the sum is 10.

The square root of 131110111 is about 11450.3323532551. The cubic root of 131110111 is about 508.0175648028.

Adding to 131110111 its reverse (111011131), we get a palindrome (242121242).

The spelling of 131110111 in words is "one hundred thirty-one million, one hundred ten thousand, one hundred eleven".