103312399997 has 2 divisors, whose sum is σ = 103312399998. Its totient is φ = 103312399996.

The previous prime is 103312399969. The next prime is 103312400039. The reversal of 103312399997 is 799993213301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59973071236 + 43339328761 = 244894^2 + 208181^2 .

It is a cyclic number.

It is not a de Polignac number, because 103312399997 - 2¹⁸ = 103312137853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103312395997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51656199998 + 51656199999.

It is an arithmetic number, because the mean of its divisors is an integer number (51656199999).

Almost surely, 2^103312399997 is an apocalyptic number.

It is an amenable number.

103312399997 is a deficient number, since it is larger than the sum of its proper divisors (1).

103312399997 is an equidigital number, since it uses as much as digits as its factorization.

103312399997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2480058, while the sum is 56.

The spelling of 103312399997 in words is "one hundred three billion, three hundred twelve million, three hundred ninety-nine thousand, nine hundred ninety-seven".