1120304431 has 4 divisors (see below), whose sum is σ = 1122020712. Its totient is φ = 1118588152.

The previous prime is 1120304417. The next prime is 1120304441. The reversal of 1120304431 is 1344030211.

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 1120304431 - 2⁵ = 1120304399 is a prime.

It is a super-2 number, since 2×1120304431² = 2510164036236467522, 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 = 1120304399 and 1120304408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120304441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857161 + ... + 858466.

It is an arithmetic number, because the mean of its divisors is an integer number (280505178).

Almost surely, 2^1120304431 is an apocalyptic number.

1120304431 is a deficient number, since it is larger than the sum of its proper divisors (1716281).

1120304431 is an equidigital number, since it uses as much as digits as its factorization.

1120304431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716280.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1120304431 is about 33470.9490603419. The cubic root of 1120304431 is about 1038.5929044756.

Adding to 1120304431 its reverse (1344030211), we get a palindrome (2464334642).

The spelling of 1120304431 in words is "one billion, one hundred twenty million, three hundred four thousand, four hundred thirty-one".