1113100531 has 2 divisors, whose sum is σ = 1113100532. Its totient is φ = 1113100530.

The previous prime is 1113100507. The next prime is 1113100567. The reversal of 1113100531 is 1350013111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113100531 - 2²¹ = 1111003379 is a prime.

It is a super-2 number, since 2×1113100531² = 2477985584224963922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1113100231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556550265 + 556550266.

It is an arithmetic number, because the mean of its divisors is an integer number (556550266).

Almost surely, 2^1113100531 is an apocalyptic number.

1113100531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113100531 is an equidigital number, since it uses as much as digits as its factorization.

1113100531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1113100531 is about 33363.1612860652. The cubic root of 1113100531 is about 1036.3619590992.

Adding to 1113100531 its reverse (1350013111), we get a palindrome (2463113642).

The spelling of 1113100531 in words is "one billion, one hundred thirteen million, one hundred thousand, five hundred thirty-one".