1100142331 has 4 divisors (see below), whose sum is σ = 1100342664. Its totient is φ = 1099942000.

The previous prime is 1100142319. The next prime is 1100142367. The reversal of 1100142331 is 1332410011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1332410011 = 89 ⋅14970899.

It is a cyclic number.

It is not a de Polignac number, because 1100142331 - 2²⁹ = 563271419 is a prime.

It is a super-2 number, since 2×1100142331² = 2420626296916227122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100142391) 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 3 ways as a sum of consecutive naturals, for example, 91690 + ... + 102991.

It is an arithmetic number, because the mean of its divisors is an integer number (275085666).

Almost surely, 2^1100142331 is an apocalyptic number.

1100142331 is a deficient number, since it is larger than the sum of its proper divisors (200333).

1100142331 is an equidigital number, since it uses as much as digits as its factorization.

1100142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200332.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1100142331 is about 33168.3935547081. The cubic root of 1100142331 is about 1032.3246364032.

Adding to 1100142331 its reverse (1332410011), we get a palindrome (2432552342).

The spelling of 1100142331 in words is "one billion, one hundred million, one hundred forty-two thousand, three hundred thirty-one".