110320313031021 has 4 divisors (see below), whose sum is σ = 147093750708032. Its totient is φ = 73546875354012.

The previous prime is 110320313031017. The next prime is 110320313031073. The reversal of 110320313031021 is 120130313023011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 110320313031021 - 2² = 110320313031017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110320313021021) 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, 18386718838501 + ... + 18386718838506.

It is an arithmetic number, because the mean of its divisors is an integer number (36773437677008).

Almost surely, 2^{110320313031021} is an apocalyptic number.

It is an amenable number.

110320313031021 is a deficient number, since it is larger than the sum of its proper divisors (36773437677011).

110320313031021 is an equidigital number, since it uses as much as digits as its factorization.

110320313031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36773437677010.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 110320313031021 its reverse (120130313023011), we get a palindrome (230450626054032).

The spelling of 110320313031021 in words is "one hundred ten trillion, three hundred twenty billion, three hundred thirteen million, thirty-one thousand, twenty-one".