10109509331 has 4 divisors (see below), whose sum is σ = 10116255000. Its totient is φ = 10102763664.

The previous prime is 10109509307. The next prime is 10109509373. The reversal of 10109509331 is 13390590101.

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 10109509331 - 2¹⁰ = 10109508307 is a prime.

It is a super-2 number, since 2×10109509331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10109539331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3370586 + ... + 3373583.

It is an arithmetic number, because the mean of its divisors is an integer number (2529063750).

Almost surely, 2^10109509331 is an apocalyptic number.

10109509331 is a deficient number, since it is larger than the sum of its proper divisors (6745669).

10109509331 is an equidigital number, since it uses as much as digits as its factorization.

10109509331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745668.

The product of its (nonzero) digits is 3645, while the sum is 32.

The spelling of 10109509331 in words is "ten billion, one hundred nine million, five hundred nine thousand, three hundred thirty-one".