994445131 has 2 divisors, whose sum is σ = 994445132. Its totient is φ = 994445130.

The previous prime is 994445083. The next prime is 994445143. The reversal of 994445131 is 131544499.

994445131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994445131 - 2¹⁷ = 994314059 is a prime.

It is a super-2 number, since 2×994445131² = 1977842237139214322, which contains 22 as substring.

It is equal to p_50579338 and since 994445131 and 50579338 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (994445191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497222565 + 497222566.

It is an arithmetic number, because the mean of its divisors is an integer number (497222566).

Almost surely, 2^994445131 is an apocalyptic number.

994445131 is a deficient number, since it is larger than the sum of its proper divisors (1).

994445131 is an equidigital number, since it uses as much as digits as its factorization.

994445131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 994445131 is about 31534.8240997155. The cubic root of 994445131 is about 998.1449378724.

The spelling of 994445131 in words is "nine hundred ninety-four million, four hundred forty-five thousand, one hundred thirty-one".