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31417041 = 310472347
BaseRepresentation
bin111011111011…
…0001011010001
32012010011002010
41313312023101
531020321131
63041213133
7531016605
oct167661321
965104063
1031417041
11168090a7
12a6311a9
13667cc86
14425b505
152b58b46
hex1df62d1

31417041 has 4 divisors (see below), whose sum is σ = 41889392. Its totient is φ = 20944692.

The previous prime is 31417031. The next prime is 31417069. The reversal of 31417041 is 14071413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14071413 = 34690471.

It is not a de Polignac number, because 31417041 - 29 = 31416529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31416999 and 31417017.

It is not an unprimeable number, because it can be changed into a prime (31417031) 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, 5236171 + ... + 5236176.

It is an arithmetic number, because the mean of its divisors is an integer number (10472348).

Almost surely, 231417041 is an apocalyptic number.

It is an amenable number.

31417041 is a deficient number, since it is larger than the sum of its proper divisors (10472351).

31417041 is a wasteful number, since it uses less digits than its factorization.

31417041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10472350.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 31417041 is about 5605.0906326303. The cubic root of 31417041 is about 315.5404880550.

Adding to 31417041 its reverse (14071413), we get a palindrome (45488454).

The spelling of 31417041 in words is "thirty-one million, four hundred seventeen thousand, forty-one".

Divisors: 1 3 10472347 31417041