131323253 has 2 divisors, whose sum is σ = 131323254. Its totient is φ = 131323252.

The previous prime is 131323189. The next prime is 131323259. The reversal of 131323253 is 352323131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131033809 + 289444 = 11447^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 131323253 - 2⁶ = 131323189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131323259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65661626 + 65661627.

It is an arithmetic number, because the mean of its divisors is an integer number (65661627).

Almost surely, 2^131323253 is an apocalyptic number.

It is an amenable number.

131323253 is a deficient number, since it is larger than the sum of its proper divisors (1).

131323253 is an equidigital number, since it uses as much as digits as its factorization.

131323253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 23.

The square root of 131323253 is about 11459.6358144576. The cubic root of 131323253 is about 508.2927056903.

Adding to 131323253 its reverse (352323131), we get a palindrome (483646384).

The spelling of 131323253 in words is "one hundred thirty-one million, three hundred twenty-three thousand, two hundred fifty-three".