31417047 has 12 divisors (see below), whose sum is σ = 46436104. Its totient is φ = 20457360.

The previous prime is 31417031. The next prime is 31417069. The reversal of 31417047 is 74071413.

It is not a de Polignac number, because 31417047 - 2⁴ = 31417031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31417047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31410047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40204 + ... + 40977.

Almost surely, 2^31417047 is an apocalyptic number.

31417047 is a deficient number, since it is larger than the sum of its proper divisors (15019057).

31417047 is a wasteful number, since it uses less digits than its factorization.

31417047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81230 (or 81227 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 31417047 is about 5605.0911678580. The cubic root of 31417047 is about 315.5405081422.

The spelling of 31417047 in words is "thirty-one million, four hundred seventeen thousand, forty-seven".