101315997 has 6 divisors (see below), whose sum is σ = 146345342. Its totient is φ = 67543992.

The previous prime is 101315983. The next prime is 101316013. The reversal of 101315997 is 799513101.

It can be written as a sum of positive squares in only one way, i.e., 96943716 + 4372281 = 9846^2 + 2091^2 .

It is not a de Polignac number, because 101315997 - 2⁸ = 101315741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101315917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5628658 + ... + 5628675.

Almost surely, 2^101315997 is an apocalyptic number.

It is an amenable number.

101315997 is a deficient number, since it is larger than the sum of its proper divisors (45029345).

101315997 is a wasteful number, since it uses less digits than its factorization.

101315997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11257339 (or 11257336 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 36.

The square root of 101315997 is about 10065.5847818197. The cubic root of 101315997 is about 466.1861220579.

The spelling of 101315997 in words is "one hundred one million, three hundred fifteen thousand, nine hundred ninety-seven".