131254213 has 2 divisors, whose sum is σ = 131254214. Its totient is φ = 131254212.

The previous prime is 131254199. The next prime is 131254237. The reversal of 131254213 is 312452131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80317444 + 50936769 = 8962^2 + 7137^2 .

It is a cyclic number.

It is not a de Polignac number, because 131254213 - 2⁵ = 131254181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131257213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65627106 + 65627107.

It is an arithmetic number, because the mean of its divisors is an integer number (65627107).

Almost surely, 2^131254213 is an apocalyptic number.

It is an amenable number.

131254213 is a deficient number, since it is larger than the sum of its proper divisors (1).

131254213 is an equidigital number, since it uses as much as digits as its factorization.

131254213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 131254213 is about 11456.6231063084. The cubic root of 131254213 is about 508.2036159084.

The spelling of 131254213 in words is "one hundred thirty-one million, two hundred fifty-four thousand, two hundred thirteen".