1112315231 has 4 divisors (see below), whose sum is σ = 1123114512. Its totient is φ = 1101515952.

The previous prime is 1112315227. The next prime is 1112315251. The reversal of 1112315231 is 1325132111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1325132111 = 10513 ⋅126047.

It is a cyclic number.

It is not a de Polignac number, because 1112315231 - 2² = 1112315227 is a prime.

It is a super-2 number, since 2×1112315231² = 2474490346229166722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112315251) 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, 5399486 + ... + 5399691.

It is an arithmetic number, because the mean of its divisors is an integer number (280778628).

Almost surely, 2^1112315231 is an apocalyptic number.

1112315231 is a deficient number, since it is larger than the sum of its proper divisors (10799281).

1112315231 is a wasteful number, since it uses less digits than its factorization.

1112315231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10799280.

The product of its digits is 180, while the sum is 20.

The square root of 1112315231 is about 33351.3902408880. The cubic root of 1112315231 is about 1036.1181816229.

Adding to 1112315231 its reverse (1325132111), we get a palindrome (2437447342).

The spelling of 1112315231 in words is "one billion, one hundred twelve million, three hundred fifteen thousand, two hundred thirty-one".