1123110131 has 16 divisors (see below), whose sum is σ = 1328974080. Its totient is φ = 935673120.

The previous prime is 1123110113. The next prime is 1123110143. The reversal of 1123110131 is 1310113211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1123110131 - 2¹⁴ = 1123093747 is a prime.

It is a super-2 number, since 2×1123110131² = 2522752732709674322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123112131) 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, 8375 + ... + 48128.

It is an arithmetic number, because the mean of its divisors is an integer number (83060880).

Almost surely, 2^1123110131 is an apocalyptic number.

1123110131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1123110131 is a deficient number, since it is larger than the sum of its proper divisors (205863949).

1123110131 is a wasteful number, since it uses less digits than its factorization.

1123110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56666.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1123110131 is about 33512.8353172333. The cubic root of 1123110131 is about 1039.4592020079.

Adding to 1123110131 its reverse (1310113211), we get a palindrome (2433223342).

The spelling of 1123110131 in words is "one billion, one hundred twenty-three million, one hundred ten thousand, one hundred thirty-one".