131023232357 has 2 divisors, whose sum is σ = 131023232358. Its totient is φ = 131023232356.

The previous prime is 131023232341. The next prime is 131023232359. The reversal of 131023232357 is 753232320131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111018241636 + 20004990721 = 333194^2 + 141439^2 .

It is a cyclic number.

It is not a de Polignac number, because 131023232357 - 2⁴ = 131023232341 is a prime.

Together with 131023232359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131023232359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511616178 + 65511616179.

It is an arithmetic number, because the mean of its divisors is an integer number (65511616179).

Almost surely, 2^131023232357 is an apocalyptic number.

It is an amenable number.

131023232357 is a deficient number, since it is larger than the sum of its proper divisors (1).

131023232357 is an equidigital number, since it uses as much as digits as its factorization.

131023232357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 131023232357 its reverse (753232320131), we get a palindrome (884255552488).

The spelling of 131023232357 in words is "one hundred thirty-one billion, twenty-three million, two hundred thirty-two thousand, three hundred fifty-seven".