1110311331231 has 4 divisors (see below), whose sum is σ = 1480415108312. Its totient is φ = 740207554152.

The previous prime is 1110311331229. The next prime is 1110311331247. The reversal of 1110311331231 is 1321331130111.

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

It is not a de Polignac number, because 1110311331231 - 2¹ = 1110311331229 is a prime.

It is a super-2 number, since 2×1110311331231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110311331198 and 1110311331207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110311338231) 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, 185051888536 + ... + 185051888541.

It is an arithmetic number, because the mean of its divisors is an integer number (370103777078).

Almost surely, 2^{1110311331231} is an apocalyptic number.

1110311331231 is a deficient number, since it is larger than the sum of its proper divisors (370103777081).

1110311331231 is an equidigital number, since it uses as much as digits as its factorization.

1110311331231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370103777080.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1110311331231 its reverse (1321331130111), we get a palindrome (2431642461342).

The spelling of 1110311331231 in words is "one trillion, one hundred ten billion, three hundred eleven million, three hundred thirty-one thousand, two hundred thirty-one".