131210255 has 16 divisors (see below), whose sum is σ = 173086848. Its totient is φ = 94692000.

The previous prime is 131210249. The next prime is 131210309. The reversal of 131210255 is 552012131.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-131210255 is a prime.

It is a super-2 number, since 2×131210255² = 34432262034330050, which contains 22 as substring.

It is a congruent number.

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, 1901 + ... + 16310.

It is an arithmetic number, because the mean of its divisors is an integer number (10817928).

Almost surely, 2^131210255 is an apocalyptic number.

131210255 is a deficient number, since it is larger than the sum of its proper divisors (41876593).

131210255 is a wasteful number, since it uses less digits than its factorization.

131210255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18358.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 131210255 is about 11454.7044920417. The cubic root of 131210255 is about 508.1468758658.

Adding to 131210255 its reverse (552012131), we get a palindrome (683222386).

The spelling of 131210255 in words is "one hundred thirty-one million, two hundred ten thousand, two hundred fifty-five".