1103220031 has 2 divisors, whose sum is σ = 1103220032. Its totient is φ = 1103220030.

The previous prime is 1103220029. The next prime is 1103220077. The reversal of 1103220031 is 1300223011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103220031 - 2¹ = 1103220029 is a prime.

It is a super-2 number, since 2×1103220031² = 2434188873599281922, which contains 22 as substring.

Together with 1103220029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1103219993 and 1103220020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103220931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551610015 + 551610016.

It is an arithmetic number, because the mean of its divisors is an integer number (551610016).

Almost surely, 2^1103220031 is an apocalyptic number.

1103220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103220031 is an equidigital number, since it uses as much as digits as its factorization.

1103220031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1103220031 is about 33214.7562237027. The cubic root of 1103220031 is about 1033.2863990360.

Adding to 1103220031 its reverse (1300223011), we get a palindrome (2403443042).

The spelling of 1103220031 in words is "one billion, one hundred three million, two hundred twenty thousand, thirty-one".