994312031 has 4 divisors (see below), whose sum is σ = 1052800992. Its totient is φ = 935823072.

The previous prime is 994312021. The next prime is 994312043. The reversal of 994312031 is 130213499.

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

It is not a de Polignac number, because 994312031 - 2²² = 990117727 is a prime.

It is a super-2 number, since 2×994312031² = 1977312829982689922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994312001) 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, 29244455 + ... + 29244488.

It is an arithmetic number, because the mean of its divisors is an integer number (263200248).

Almost surely, 2^994312031 is an apocalyptic number.

994312031 is a deficient number, since it is larger than the sum of its proper divisors (58488961).

994312031 is a wasteful number, since it uses less digits than its factorization.

994312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58488960.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 994312031 is about 31532.7136637493. The cubic root of 994312031 is about 998.1004041538.

The spelling of 994312031 in words is "nine hundred ninety-four million, three hundred twelve thousand, thirty-one".