1103200031 has 2 divisors, whose sum is σ = 1103200032. Its totient is φ = 1103200030.

The previous prime is 1103200019. The next prime is 1103200039. The reversal of 1103200031 is 1300023011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1103200031 - 2⁶ = 1103199967 is a prime.

It is a super-2 number, since 2×1103200031² = 2434100616796801922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103199985 and 1103200021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103200039) 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 as a sum of consecutive naturals, namely, 551600015 + 551600016.

It is an arithmetic number, because the mean of its divisors is an integer number (551600016).

Almost surely, 2^1103200031 is an apocalyptic number.

1103200031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103200031 is an equidigital number, since it uses as much as digits as its factorization.

1103200031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1103200031 is about 33214.4551513343. The cubic root of 1103200031 is about 1033.2801549347.

Adding to 1103200031 its reverse (1300023011), we get a palindrome (2403223042).

The spelling of 1103200031 in words is "one billion, one hundred three million, two hundred thousand, thirty-one".