1113312312231 has 16 divisors (see below), whose sum is σ = 1796268605184. Its totient is φ = 598756201344.

The previous prime is 1113312312223. The next prime is 1113312312241. The reversal of 1113312312231 is 1322132133111.

It is not a de Polignac number, because 1113312312231 - 2³ = 1113312312223 is a prime.

It is a super-2 number, since 2×1113312312231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113312312221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1559260585 + ... + 1559261298.

It is an arithmetic number, because the mean of its divisors is an integer number (112266787824).

Almost surely, 2^{1113312312231} is an apocalyptic number.

1113312312231 is a deficient number, since it is larger than the sum of its proper divisors (682956292953).

1113312312231 is a wasteful number, since it uses less digits than its factorization.

1113312312231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118521910.

The product of its digits is 648, while the sum is 24.

Adding to 1113312312231 its reverse (1322132133111), we get a palindrome (2435444445342).

The spelling of 1113312312231 in words is "one trillion, one hundred thirteen billion, three hundred twelve million, three hundred twelve thousand, two hundred thirty-one".