1120343431 has 2 divisors, whose sum is σ = 1120343432. Its totient is φ = 1120343430.

The previous prime is 1120343429. The next prime is 1120343437. The reversal of 1120343431 is 1343430211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1343430211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120343431 - 2¹ = 1120343429 is a prime.

It is a super-2 number, since 2×1120343431² = 2510338806769703522, which contains 22 as substring.

Together with 1120343429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120343437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560171715 + 560171716.

It is an arithmetic number, because the mean of its divisors is an integer number (560171716).

Almost surely, 2^1120343431 is an apocalyptic number.

1120343431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120343431 is an equidigital number, since it uses as much as digits as its factorization.

1120343431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1120343431 is about 33471.5316500455. The cubic root of 1120343431 is about 1038.6049561561.

Adding to 1120343431 its reverse (1343430211), we get a palindrome (2463773642).

The spelling of 1120343431 in words is "one billion, one hundred twenty million, three hundred forty-three thousand, four hundred thirty-one".