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31416113 = 312833581
BaseRepresentation
bin111011111010…
…1111100110001
32012010002210202
41313311330301
531020303423
63041204545
7531014111
oct167657461
965102722
1031416113
1116808433
12a630755
13667c721
14425b041
152b58728
hex1df5f31

31416113 has 8 divisors (see below), whose sum is σ = 32553216. Its totient is φ = 30286800.

The previous prime is 31416109. The next prime is 31416149. The reversal of 31416113 is 31161413.

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

It is a cyclic number.

It is not a de Polignac number, because 31416113 - 22 = 31416109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31416103) 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 7 ways as a sum of consecutive naturals, for example, 6983 + ... + 10563.

It is an arithmetic number, because the mean of its divisors is an integer number (4069152).

Almost surely, 231416113 is an apocalyptic number.

It is an amenable number.

31416113 is a deficient number, since it is larger than the sum of its proper divisors (1137103).

31416113 is a wasteful number, since it uses less digits than its factorization.

31416113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895.

The product of its digits is 216, while the sum is 20.

The square root of 31416113 is about 5605.0078501283. The cubic root of 31416113 is about 315.5373812012.

Adding to 31416113 its reverse (31161413), we get a palindrome (62577526).

The spelling of 31416113 in words is "thirty-one million, four hundred sixteen thousand, one hundred thirteen".

Divisors: 1 31 283 3581 8773 111011 1013423 31416113