231513450051097 has 2 divisors, whose sum is σ = 231513450051098. Its totient is φ = 231513450051096.

The previous prime is 231513450051077. The next prime is 231513450051139. The reversal of 231513450051097 is 790150054315132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145447362744336 + 86066087306761 = 12060156^2 + 9277181^2 .

It is a cyclic number.

It is not a de Polignac number, because 231513450051097 - 2³⁹ = 230963694237209 is a prime.

It is not a weakly prime, because it can be changed into another prime (231513450051077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115756725025548 + 115756725025549.

It is an arithmetic number, because the mean of its divisors is an integer number (115756725025549).

Almost surely, 2^{231513450051097} is an apocalyptic number.

It is an amenable number.

231513450051097 is a deficient number, since it is larger than the sum of its proper divisors (1).

231513450051097 is an equidigital number, since it uses as much as digits as its factorization.

231513450051097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 46.

The spelling of 231513450051097 in words is "two hundred thirty-one trillion, five hundred thirteen billion, four hundred fifty million, fifty-one thousand, ninety-seven".