94000031 has 2 divisors, whose sum is σ = 94000032. Its totient is φ = 94000030.

The previous prime is 94000013. The next prime is 94000037. The reversal of 94000031 is 13000049.

Together with previous prime (94000013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (13000049) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94000031 is a prime.

It is a super-2 number, since 2×94000031² = 17672011656001922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 93999973 and 94000009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94000037) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47000015 + 47000016.

It is an arithmetic number, because the mean of its divisors is an integer number (47000016).

Almost surely, 2^94000031 is an apocalyptic number.

94000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

94000031 is an equidigital number, since it uses as much as digits as its factorization.

94000031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 94000031 is about 9695.3613135355. The cubic root of 94000031 is about 454.6836443606.

The spelling of 94000031 in words is "ninety-four million, thirty-one", and thus it is an aban number.