1046831881 has 4 divisors (see below), whose sum is σ = 1061576064. Its totient is φ = 1032087700.

The previous prime is 1046831837. The next prime is 1046831921. The reversal of 1046831881 is 1881386401.

1046831881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1881386401 = 2027 ⋅928163.

It is a cyclic number.

It is not a de Polignac number, because 1046831881 - 2⁹ = 1046831369 is a prime.

It is a super-2 number, since 2×1046831881² = 2191713974155996322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1046832881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7371985 + ... + 7372126.

It is an arithmetic number, because the mean of its divisors is an integer number (265394016).

Almost surely, 2^1046831881 is an apocalyptic number.

It is an amenable number.

1046831881 is a deficient number, since it is larger than the sum of its proper divisors (14744183).

1046831881 is an equidigital number, since it uses as much as digits as its factorization.

1046831881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14744182.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 1046831881 is about 32354.7814240801. The cubic root of 1046831881 is about 1015.3730842321.

The spelling of 1046831881 in words is "one billion, forty-six million, eight hundred thirty-one thousand, eight hundred eighty-one".