1000849331 has 4 divisors (see below), whose sum is σ = 1000922664. Its totient is φ = 1000776000.

The previous prime is 1000849327. The next prime is 1000849351. The reversal of 1000849331 is 1339480001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1339480001 = 27259 ⋅49139.

It is a cyclic number.

It is not a de Polignac number, because 1000849331 - 2² = 1000849327 is a prime.

It is a super-2 number, since 2×1000849331² = 2003398766726295122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000849294 and 1000849303.

It is not an unprimeable number, because it can be changed into a prime (1000849351) 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, 9470 + ... + 45731.

It is an arithmetic number, because the mean of its divisors is an integer number (250230666).

Almost surely, 2^1000849331 is an apocalyptic number.

1000849331 is a deficient number, since it is larger than the sum of its proper divisors (73333).

1000849331 is an equidigital number, since it uses as much as digits as its factorization.

1000849331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73332.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1000849331 is about 31636.2028536928. The cubic root of 1000849331 is about 1000.2830302197.

The spelling of 1000849331 in words is "one billion, eight hundred forty-nine thousand, three hundred thirty-one".