131051263 has 16 divisors (see below), whose sum is σ = 158630400. Its totient is φ = 105833376.

The previous prime is 131051257. The next prime is 131051269. The reversal of 131051263 is 362150131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131051257) and next prime (131051269).

It is a cyclic number.

It is not a de Polignac number, because 131051263 - 2⁵ = 131051231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131051269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4713 + ... + 16861.

It is an arithmetic number, because the mean of its divisors is an integer number (9914400).

Almost surely, 2^131051263 is an apocalyptic number.

131051263 is a deficient number, since it is larger than the sum of its proper divisors (27579137).

131051263 is a wasteful number, since it uses less digits than its factorization.

131051263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 131051263 is about 11447.7623577711. The cubic root of 131051263 is about 507.9415465324.

The spelling of 131051263 in words is "one hundred thirty-one million, fifty-one thousand, two hundred sixty-three".