110203031120311 has 4 divisors (see below), whose sum is σ = 110205570228552. Its totient is φ = 110200492012072.

The previous prime is 110203031120297. The next prime is 110203031120359. The reversal of 110203031120311 is 113021130302011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110203031120311 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 (110203031160311) 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, 1269489016 + ... + 1269575821.

It is an arithmetic number, because the mean of its divisors is an integer number (27551392557138).

Almost surely, 2^{110203031120311} is an apocalyptic number.

110203031120311 is a deficient number, since it is larger than the sum of its proper divisors (2539108241).

110203031120311 is an equidigital number, since it uses as much as digits as its factorization.

110203031120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539108240.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 110203031120311 its reverse (113021130302011), we get a palindrome (223224161422322).

The spelling of 110203031120311 in words is "one hundred ten trillion, two hundred three billion, thirty-one million, one hundred twenty thousand, three hundred eleven".