110231312309 has 4 divisors (see below), whose sum is σ = 113210537004. Its totient is φ = 107252087616.

The previous prime is 110231312249. The next prime is 110231312311. The reversal of 110231312309 is 903213132011.

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 69849204100 + 40382108209 = 264290^2 + 200953^2 .

It is a cyclic number.

It is not a de Polignac number, because 110231312309 - 2⁸ = 110231312053 is a prime.

It is a super-2 number, since 2×110231312309² (a number of 23 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 (110231312509) 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, 1489612292 + ... + 1489612365.

It is an arithmetic number, because the mean of its divisors is an integer number (28302634251).

Almost surely, 2^110231312309 is an apocalyptic number.

It is an amenable number.

110231312309 is a deficient number, since it is larger than the sum of its proper divisors (2979224695).

110231312309 is an equidigital number, since it uses as much as digits as its factorization.

110231312309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979224694.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 110231312309 in words is "one hundred ten billion, two hundred thirty-one million, three hundred twelve thousand, three hundred nine".