1113250531 has 16 divisors (see below), whose sum is σ = 1197939456. Its totient is φ = 1032075616.

The previous prime is 1113250519. The next prime is 1113250591. The reversal of 1113250531 is 1350523111.

It is a cyclic number.

It is not a de Polignac number, because 1113250531 - 2⁵ = 1113250499 is a prime.

It is a super-2 number, since 2×1113250531² = 2478653489543563922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113250591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95676 + ... + 106678.

It is an arithmetic number, because the mean of its divisors is an integer number (74871216).

Almost surely, 2^1113250531 is an apocalyptic number.

1113250531 is a deficient number, since it is larger than the sum of its proper divisors (84688925).

1113250531 is a wasteful number, since it uses less digits than its factorization.

1113250531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11162.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1113250531 is about 33365.4091987495. The cubic root of 1113250531 is about 1036.4085099443.

Adding to 1113250531 its reverse (1350523111), we get a palindrome (2463773642).

The spelling of 1113250531 in words is "one billion, one hundred thirteen million, two hundred fifty thousand, five hundred thirty-one".