102003321301957 has 2 divisors, whose sum is σ = 102003321301958. Its totient is φ = 102003321301956.

The previous prime is 102003321301877. The next prime is 102003321302083. The reversal of 102003321301957 is 759103123300201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70430598582436 + 31572722719521 = 8392294^2 + 5618961^2 .

It is a cyclic number.

It is not a de Polignac number, because 102003321301957 - 2²⁷ = 102003187084229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102003321301657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001660650978 + 51001660650979.

It is an arithmetic number, because the mean of its divisors is an integer number (51001660650979).

Almost surely, 2^{102003321301957} is an apocalyptic number.

It is an amenable number.

102003321301957 is a deficient number, since it is larger than the sum of its proper divisors (1).

102003321301957 is an equidigital number, since it uses as much as digits as its factorization.

102003321301957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The spelling of 102003321301957 in words is "one hundred two trillion, three billion, three hundred twenty-one million, three hundred one thousand, nine hundred fifty-seven".