10317909121 has 4 divisors (see below), whose sum is σ = 11111594452. Its totient is φ = 9524223792.

The previous prime is 10317909113. The next prime is 10317909167. The reversal of 10317909121 is 12190971301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3882660721 + 6435248400 = 62311^2 + 80220^2 .

It is a cyclic number.

It is not a de Polignac number, because 10317909121 - 2³ = 10317909113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10317909421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396842646 + ... + 396842671.

It is an arithmetic number, because the mean of its divisors is an integer number (2777898613).

Almost surely, 2^10317909121 is an apocalyptic number.

It is an amenable number.

10317909121 is a deficient number, since it is larger than the sum of its proper divisors (793685331).

10317909121 is an equidigital number, since it uses as much as digits as its factorization.

10317909121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793685330.

The product of its (nonzero) digits is 3402, while the sum is 34.

The spelling of 10317909121 in words is "ten billion, three hundred seventeen million, nine hundred nine thousand, one hundred twenty-one".