131403123253 has 2 divisors, whose sum is σ = 131403123254. Its totient is φ = 131403123252.

The previous prime is 131403123223. The next prime is 131403123263. The reversal of 131403123253 is 352321304131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128799878769 + 2603244484 = 358887^2 + 51022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403123253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403123223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701561626 + 65701561627.

It is an arithmetic number, because the mean of its divisors is an integer number (65701561627).

Almost surely, 2^131403123253 is an apocalyptic number.

It is an amenable number.

131403123253 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403123253 is an equidigital number, since it uses as much as digits as its factorization.

131403123253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 131403123253 its reverse (352321304131), we get a palindrome (483724427384).

The spelling of 131403123253 in words is "one hundred thirty-one billion, four hundred three million, one hundred twenty-three thousand, two hundred fifty-three".