1009696109231 has 4 divisors (see below), whose sum is σ = 1023917181264. Its totient is φ = 995475037200.

The previous prime is 1009696109203. The next prime is 1009696109267. The reversal of 1009696109231 is 1329016969001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1009696109231 - 2³⁴ = 992516240047 is a prime.

It is a super-2 number, since 2×1009696109231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009696109731) 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, 7110535910 + ... + 7110536051.

It is an arithmetic number, because the mean of its divisors is an integer number (255979295316).

Almost surely, 2^{1009696109231} is an apocalyptic number.

1009696109231 is a deficient number, since it is larger than the sum of its proper divisors (14221072033).

1009696109231 is an equidigital number, since it uses as much as digits as its factorization.

1009696109231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14221072032.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 1009696109231 in words is "one trillion, nine billion, six hundred ninety-six million, one hundred nine thousand, two hundred thirty-one".