131113155 has 16 divisors (see below), whose sum is σ = 210343680. Its totient is φ = 69739488.

The previous prime is 131113141. The next prime is 131113189. The reversal of 131113155 is 551311131.

It is not a de Polignac number, because 131113155 - 2⁴ = 131113139 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5847 + ... + 17216.

It is an arithmetic number, because the mean of its divisors is an integer number (13146480).

Almost surely, 2^131113155 is an apocalyptic number.

131113155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131113155 is a deficient number, since it is larger than the sum of its proper divisors (79230525).

131113155 is a wasteful number, since it uses less digits than its factorization.

131113155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23450.

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

The square root of 131113155 is about 11450.4652743895. The cubic root of 131113155 is about 508.0214963417.

Adding to 131113155 its reverse (551311131), we get a palindrome (682424286).

The spelling of 131113155 in words is "one hundred thirty-one million, one hundred thirteen thousand, one hundred fifty-five".