994106231 has 2 divisors, whose sum is σ = 994106232. Its totient is φ = 994106230.

The previous prime is 994106221. The next prime is 994106249. The reversal of 994106231 is 132601499.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994106231 is a prime.

It is a super-2 number, since 2×994106231² = 1976494397026050722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 994106191 and 994106200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994106221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497053115 + 497053116.

It is an arithmetic number, because the mean of its divisors is an integer number (497053116).

Almost surely, 2^994106231 is an apocalyptic number.

994106231 is a deficient number, since it is larger than the sum of its proper divisors (1).

994106231 is an equidigital number, since it uses as much as digits as its factorization.

994106231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 994106231 is about 31529.4502172176. The cubic root of 994106231 is about 998.0315380333.

The spelling of 994106231 in words is "nine hundred ninety-four million, one hundred six thousand, two hundred thirty-one".