947130031 has 8 divisors (see below), whose sum is σ = 1001337200. Its totient is φ = 893358720.

The previous prime is 947130017. The next prime is 947130049. The reversal of 947130031 is 130031749.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 947130031 - 2¹¹ = 947127983 is a prime.

It is a super-2 number, since 2×947130031² = 1794110591244121922, 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 (947130001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104490 + ... + 113191.

It is an arithmetic number, because the mean of its divisors is an integer number (125167150).

Almost surely, 2^947130031 is an apocalyptic number.

947130031 is a deficient number, since it is larger than the sum of its proper divisors (54207169).

947130031 is a wasteful number, since it uses less digits than its factorization.

947130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217929.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 947130031 is about 30775.4777542120. The cubic root of 947130031 is about 982.0566384843.

The spelling of 947130031 in words is "nine hundred forty-seven million, one hundred thirty thousand, thirty-one".