1120333231 has 4 divisors (see below), whose sum is σ = 1124320464. Its totient is φ = 1116346000.

The previous prime is 1120333213. The next prime is 1120333237. The reversal of 1120333231 is 1323330211.

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

It is a cyclic number.

It is not a de Polignac number, because 1120333231 - 2⁵ = 1120333199 is a prime.

It is a super-2 number, since 2×1120333231² = 2510293096965798722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120333199 and 1120333208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120333237) 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, 1993195 + ... + 1993756.

It is an arithmetic number, because the mean of its divisors is an integer number (281080116).

Almost surely, 2^1120333231 is an apocalyptic number.

1120333231 is a deficient number, since it is larger than the sum of its proper divisors (3987233).

1120333231 is an equidigital number, since it uses as much as digits as its factorization.

1120333231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987232.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1120333231 is about 33471.3792814100. The cubic root of 1120333231 is about 1038.6018042051.

Adding to 1120333231 its reverse (1323330211), we get a palindrome (2443663442).

The spelling of 1120333231 in words is "one billion, one hundred twenty million, three hundred thirty-three thousand, two hundred thirty-one".