1103343431 has 2 divisors, whose sum is σ = 1103343432. Its totient is φ = 1103343430.

The previous prime is 1103343421. The next prime is 1103343473. The reversal of 1103343431 is 1343433011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103343431 - 2²⁶ = 1036234567 is a prime.

It is a super-2 number, since 2×1103343431² = 2434733453461703522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103343397 and 1103343406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103343421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551671715 + 551671716.

It is an arithmetic number, because the mean of its divisors is an integer number (551671716).

Almost surely, 2^1103343431 is an apocalyptic number.

1103343431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103343431 is an equidigital number, since it uses as much as digits as its factorization.

1103343431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1103343431 is about 33216.6137798542. The cubic root of 1103343431 is about 1033.3249234718.

Adding to 1103343431 its reverse (1343433011), we get a palindrome (2446776442).

The spelling of 1103343431 in words is "one billion, one hundred three million, three hundred forty-three thousand, four hundred thirty-one".