131262223 has 2 divisors, whose sum is σ = 131262224. Its totient is φ = 131262222.

The previous prime is 131262217. The next prime is 131262233. The reversal of 131262223 is 322262131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131262223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131262194 and 131262203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131262233) 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 as a sum of consecutive naturals, namely, 65631111 + 65631112.

It is an arithmetic number, because the mean of its divisors is an integer number (65631112).

Almost surely, 2^131262223 is an apocalyptic number.

131262223 is a deficient number, since it is larger than the sum of its proper divisors (1).

131262223 is an equidigital number, since it uses as much as digits as its factorization.

131262223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 131262223 is about 11456.9726804248. The cubic root of 131262223 is about 508.2139536799.

The spelling of 131262223 in words is "one hundred thirty-one million, two hundred sixty-two thousand, two hundred twenty-three".