131910263 has 2 divisors, whose sum is σ = 131910264. Its totient is φ = 131910262.

The previous prime is 131910227. The next prime is 131910307. The reversal of 131910263 is 362019131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131910263 - 2⁶ = 131910199 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131910223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65955131 + 65955132.

It is an arithmetic number, because the mean of its divisors is an integer number (65955132).

Almost surely, 2^131910263 is an apocalyptic number.

131910263 is a deficient number, since it is larger than the sum of its proper divisors (1).

131910263 is an equidigital number, since it uses as much as digits as its factorization.

131910263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 131910263 is about 11485.2193274661. The cubic root of 131910263 is about 509.0489297994.

Adding to 131910263 its reverse (362019131), we get a palindrome (493929394).

The spelling of 131910263 in words is "one hundred thirty-one million, nine hundred ten thousand, two hundred sixty-three".