102131453034257 has 2 divisors, whose sum is σ = 102131453034258. Its totient is φ = 102131453034256.

The previous prime is 102131453034227. The next prime is 102131453034307. The reversal of 102131453034257 is 752430354131201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84190332429841 + 17941120604416 = 9175529^2 + 4235696^2 .

It is a cyclic number.

It is not a de Polignac number, because 102131453034257 - 2¹² = 102131453030161 is a prime.

It is not a weakly prime, because it can be changed into another prime (102131453034227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51065726517128 + 51065726517129.

It is an arithmetic number, because the mean of its divisors is an integer number (51065726517129).

Almost surely, 2^{102131453034257} is an apocalyptic number.

It is an amenable number.

102131453034257 is a deficient number, since it is larger than the sum of its proper divisors (1).

102131453034257 is an equidigital number, since it uses as much as digits as its factorization.

102131453034257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 102131453034257 in words is "one hundred two trillion, one hundred thirty-one billion, four hundred fifty-three million, thirty-four thousand, two hundred fifty-seven".