10993109331 has 16 divisors (see below), whose sum is σ = 15064250624. Its totient is φ = 7125633504.

The previous prime is 10993109317. The next prime is 10993109341. The reversal of 10993109331 is 13390139901.

It is not a de Polignac number, because 10993109331 - 2¹³ = 10993101139 is a prime.

It is a super-2 number, since 2×10993109331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10993109331.

It is not an unprimeable number, because it can be changed into a prime (10993109341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126396 + ... + 194838.

It is an arithmetic number, because the mean of its divisors is an integer number (941515664).

Almost surely, 2^10993109331 is an apocalyptic number.

10993109331 is a deficient number, since it is larger than the sum of its proper divisors (4071141293).

10993109331 is a wasteful number, since it uses less digits than its factorization.

10993109331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69930.

The product of its (nonzero) digits is 19683, while the sum is 39.

The spelling of 10993109331 in words is "ten billion, nine hundred ninety-three million, one hundred nine thousand, three hundred thirty-one".