1043113881 has 4 divisors (see below), whose sum is σ = 1390818512. Its totient is φ = 695409252.

The previous prime is 1043113861. The next prime is 1043113921. The reversal of 1043113881 is 1883113401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1043113881 - 2⁵ = 1043113849 is a prime.

It is a super-2 number, since 2×1043113881² = 2176173137469764322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043113811) 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, 173852311 + ... + 173852316.

It is an arithmetic number, because the mean of its divisors is an integer number (347704628).

Almost surely, 2^1043113881 is an apocalyptic number.

It is an amenable number.

1043113881 is a deficient number, since it is larger than the sum of its proper divisors (347704631).

1043113881 is an equidigital number, since it uses as much as digits as its factorization.

1043113881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347704630.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1043113881 is about 32297.2735846232. The cubic root of 1043113881 is about 1014.1695686837.

The spelling of 1043113881 in words is "one billion, forty-three million, one hundred thirteen thousand, eight hundred eighty-one".