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31714811 is a prime number
BaseRepresentation
bin111100011111…
…0110111111011
32012200021112122
41320332313323
531104333221
63051431455
7533400002
oct170766773
965607478
1031714811
11169a1897
12a75558b
13675567b
1442d7c39
152bb6eab
hex1e3edfb

31714811 has 2 divisors, whose sum is σ = 31714812. Its totient is φ = 31714810.

The previous prime is 31714789. The next prime is 31714817. The reversal of 31714811 is 11841713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31714811 - 214 = 31698427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (31714817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15857405 + 15857406.

It is an arithmetic number, because the mean of its divisors is an integer number (15857406).

Almost surely, 231714811 is an apocalyptic number.

31714811 is a deficient number, since it is larger than the sum of its proper divisors (1).

31714811 is an equidigital number, since it uses as much as digits as its factorization.

31714811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 26.

The square root of 31714811 is about 5631.5904503080. The cubic root of 31714811 is about 316.5342502078.

The spelling of 31714811 in words is "thirty-one million, seven hundred fourteen thousand, eight hundred eleven".