131111255 has 8 divisors (see below), whose sum is σ = 171636624. Its totient is φ = 95353600.

The previous prime is 131111251. The next prime is 131111261. The reversal of 131111255 is 552111131.

It is a happy number.

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

It is not a de Polignac number, because 131111255 - 2² = 131111251 is a prime.

It is a super-2 number, since 2×131111255² = 34380322375350050, 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 (131111251) 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, 1191866 + ... + 1191975.

It is an arithmetic number, because the mean of its divisors is an integer number (21454578).

Almost surely, 2^131111255 is an apocalyptic number.

131111255 is a deficient number, since it is larger than the sum of its proper divisors (40525369).

131111255 is a wasteful number, since it uses less digits than its factorization.

131111255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383857.

The product of its digits is 150, while the sum is 20.

The square root of 131111255 is about 11450.3823080280. The cubic root of 131111255 is about 508.0190423659.

Adding to 131111255 its reverse (552111131), we get a palindrome (683222386).

The spelling of 131111255 in words is "one hundred thirty-one million, one hundred eleven thousand, two hundred fifty-five".