103202001997 has 2 divisors, whose sum is σ = 103202001998. Its totient is φ = 103202001996.

The previous prime is 103202001977. The next prime is 103202002021. The reversal of 103202001997 is 799100202301.

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., 75833593641 + 27368408356 = 275379^2 + 165434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103202001997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103202001977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51601000998 + 51601000999.

It is an arithmetic number, because the mean of its divisors is an integer number (51601000999).

Almost surely, 2^103202001997 is an apocalyptic number.

It is an amenable number.

103202001997 is a deficient number, since it is larger than the sum of its proper divisors (1).

103202001997 is an equidigital number, since it uses as much as digits as its factorization.

103202001997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The spelling of 103202001997 in words is "one hundred three billion, two hundred two million, one thousand, nine hundred ninety-seven".