131012526 has 16 divisors (see below), whose sum is σ = 262627200. Its totient is φ = 43570488.

The previous prime is 131012521. The next prime is 131012533. The reversal of 131012526 is 625210131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012521) 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, 22236 + ... + 27503.

It is an arithmetic number, because the mean of its divisors is an integer number (16414200).

Almost surely, 2^131012526 is an apocalyptic number.

131012526 is an abundant number, since it is smaller than the sum of its proper divisors (131614674).

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

131012526 is a wasteful number, since it uses less digits than its factorization.

131012526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50183.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 131012526 is about 11446.0703300303. The cubic root of 131012526 is about 507.8914946920.

Adding to 131012526 its reverse (625210131), we get a palindrome (756222657).

The spelling of 131012526 in words is "one hundred thirty-one million, twelve thousand, five hundred twenty-six".