12310231110 has 16 divisors (see below), whose sum is σ = 29544554736. Its totient is φ = 3282728288.

The previous prime is 12310231091. The next prime is 12310231147. The reversal of 12310231110 is 1113201321.

It is a happy number.

It is a super-2 number, since 2×12310231110² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12310231110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205170489 + ... + 205170548.

It is an arithmetic number, because the mean of its divisors is an integer number (1846534671).

Almost surely, 2^12310231110 is an apocalyptic number.

12310231110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12310231110 is an abundant number, since it is smaller than the sum of its proper divisors (17234323626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12310231110 is a wasteful number, since it uses less digits than its factorization.

12310231110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410341047.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12310231110 its reverse (1113201321), we get a palindrome (13423432431).

The spelling of 12310231110 in words is "twelve billion, three hundred ten million, two hundred thirty-one thousand, one hundred ten".