102313321057 has 2 divisors, whose sum is σ = 102313321058. Its totient is φ = 102313321056.

The previous prime is 102313321009. The next prime is 102313321063. The reversal of 102313321057 is 750123313201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93581539921 + 8731781136 = 305911^2 + 93444^2 .

It is a cyclic number.

It is not a de Polignac number, because 102313321057 - 2²³ = 102304932449 is a prime.

It is not a weakly prime, because it can be changed into another prime (102313421057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51156660528 + 51156660529.

It is an arithmetic number, because the mean of its divisors is an integer number (51156660529).

Almost surely, 2^102313321057 is an apocalyptic number.

It is an amenable number.

102313321057 is a deficient number, since it is larger than the sum of its proper divisors (1).

102313321057 is an equidigital number, since it uses as much as digits as its factorization.

102313321057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

Adding to 102313321057 its reverse (750123313201), we get a palindrome (852436634258).

The spelling of 102313321057 in words is "one hundred two billion, three hundred thirteen million, three hundred twenty-one thousand, fifty-seven".