110031312021 has 8 divisors (see below), whose sum is σ = 146752872864. Its totient is φ = 73331979600.

The previous prime is 110031312007. The next prime is 110031312049. The reversal of 110031312021 is 120213130011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-110031312021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110031312071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5545551 + ... + 5565356.

It is an arithmetic number, because the mean of its divisors is an integer number (18344109108).

Almost surely, 2^110031312021 is an apocalyptic number.

It is an amenable number.

110031312021 is a deficient number, since it is larger than the sum of its proper divisors (36721560843).

110031312021 is a wasteful number, since it uses less digits than its factorization.

110031312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114211.

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

Adding to 110031312021 its reverse (120213130011), we get a palindrome (230244442032).

The spelling of 110031312021 in words is "one hundred ten billion, thirty-one million, three hundred twelve thousand, twenty-one".