994207031 has 4 divisors (see below), whose sum is σ = 994445592. Its totient is φ = 993968472.

The previous prime is 994207007. The next prime is 994207043. The reversal of 994207031 is 130702499.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 994207031 - 2¹⁴ = 994190647 is a prime.

It is a super-2 number, since 2×994207031² = 1976895240979669922, 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 = 994206982 and 994207000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994207001) 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, 112916 + ... + 121401.

It is an arithmetic number, because the mean of its divisors is an integer number (248611398).

Almost surely, 2^994207031 is an apocalyptic number.

994207031 is a deficient number, since it is larger than the sum of its proper divisors (238561).

994207031 is a wasteful number, since it uses less digits than its factorization.

994207031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238560.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 994207031 is about 31531.0486822116. The cubic root of 994207031 is about 998.0652695655.

The spelling of 994207031 in words is "nine hundred ninety-four million, two hundred seven thousand, thirty-one".