994731331 has 8 divisors (see below), whose sum is σ = 1102951728. Its totient is φ = 889476000.

The previous prime is 994731329. The next prime is 994731383. The reversal of 994731331 is 133137499.

994731331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 994731331 - 2¹ = 994731329 is a prime.

It is a super-2 number, since 2×994731331² = 1978980841746063122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994731391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740560 + ... + 741901.

It is an arithmetic number, because the mean of its divisors is an integer number (137868966).

Almost surely, 2^994731331 is an apocalyptic number.

994731331 is a deficient number, since it is larger than the sum of its proper divisors (108220397).

994731331 is a wasteful number, since it uses less digits than its factorization.

994731331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482533.

The product of its digits is 61236, while the sum is 40.

The square root of 994731331 is about 31539.3616137042. The cubic root of 994731331 is about 998.2406836210.

The spelling of 994731331 in words is "nine hundred ninety-four million, seven hundred thirty-one thousand, three hundred thirty-one".