1113022131 has 16 divisors (see below), whose sum is σ = 1606563840. Its totient is φ = 681346080.

The previous prime is 1113022091. The next prime is 1113022159. The reversal of 1113022131 is 1312203111.

It is a happy number.

It is not a de Polignac number, because 1113022131 - 2⁹ = 1113021619 is a prime.

It is a super-2 number, since 2×1113022131² = 2477636528191562322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1113022131.

It is not an unprimeable number, because it can be changed into a prime (1113022331) 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 in 15 ways as a sum of consecutive naturals, for example, 67261 + ... + 82158.

It is an arithmetic number, because the mean of its divisors is an integer number (100410240).

Almost surely, 2^1113022131 is an apocalyptic number.

1113022131 is a deficient number, since it is larger than the sum of its proper divisors (493541709).

1113022131 is a wasteful number, since it uses less digits than its factorization.

1113022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149626.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1113022131 is about 33361.9863167648. The cubic root of 1113022131 is about 1036.3376268599.

Adding to 1113022131 its reverse (1312203111), we get a palindrome (2425225242).

The spelling of 1113022131 in words is "one billion, one hundred thirteen million, twenty-two thousand, one hundred thirty-one".