131151263 has 4 divisors (see below), whose sum is σ = 131635488. Its totient is φ = 130667040.

The previous prime is 131151259. The next prime is 131151283. The reversal of 131151263 is 362151131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362151131 = 9419 ⋅38449.

It is a cyclic number.

It is not a de Polignac number, because 131151263 - 2² = 131151259 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 (131151233) 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 3 ways as a sum of consecutive naturals, for example, 241706 + ... + 242247.

It is an arithmetic number, because the mean of its divisors is an integer number (32908872).

Almost surely, 2^131151263 is an apocalyptic number.

131151263 is a deficient number, since it is larger than the sum of its proper divisors (484225).

131151263 is an equidigital number, since it uses as much as digits as its factorization.

131151263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484224.

The product of its digits is 540, while the sum is 23.

The square root of 131151263 is about 11452.1291906789. The cubic root of 131151263 is about 508.0707103402.

The spelling of 131151263 in words is "one hundred thirty-one million, one hundred fifty-one thousand, two hundred sixty-three".