131042256 has 40 divisors (see below), whose sum is σ = 358441344. Its totient is φ = 41111040.

The previous prime is 131042231. The next prime is 131042267. The reversal of 131042256 is 652240131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79480 + ... + 81111.

Almost surely, 2^131042256 is an apocalyptic number.

131042256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131042256 is an abundant number, since it is smaller than the sum of its proper divisors (227399088).

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

131042256 is a wasteful number, since it uses less digits than its factorization.

131042256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160619 (or 160613 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 131042256 is about 11447.3689553539. The cubic root of 131042256 is about 507.9299095230.

Adding to 131042256 its reverse (652240131), we get a palindrome (783282387).

The spelling of 131042256 in words is "one hundred thirty-one million, forty-two thousand, two hundred fifty-six".