131255022 has 32 divisors (see below), whose sum is σ = 272633760. Its totient is φ = 42094080.

The previous prime is 131254987. The next prime is 131255029. The reversal of 131255022 is 220552131.

It is a self number, because there is not a number n which added to its sum of digits gives 131255022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131255029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14304 + ... + 21612.

It is an arithmetic number, because the mean of its divisors is an integer number (8519805).

Almost surely, 2^131255022 is an apocalyptic number.

131255022 is an abundant number, since it is smaller than the sum of its proper divisors (141378738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131255022 is a wasteful number, since it uses less digits than its factorization.

131255022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 131255022 is about 11456.6584133420. The cubic root of 131255022 is about 508.2046600295.

The spelling of 131255022 in words is "one hundred thirty-one million, two hundred fifty-five thousand, twenty-two".