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31483069 is a prime number
BaseRepresentation
bin111100000011…
…0010010111101
32012020111122121
41320012102331
531024424234
63042442541
7531413242
oct170062275
965214577
1031483069
1116853772
12a663451
1366a4047
1442775c9
152b6d4b4
hex1e064bd

31483069 has 2 divisors, whose sum is σ = 31483070. Its totient is φ = 31483068.

The previous prime is 31483061. The next prime is 31483087. The reversal of 31483069 is 96038413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28196100 + 3286969 = 5310^2 + 1813^2 .

It is a cyclic number.

It is not a de Polignac number, because 31483069 - 23 = 31483061 is a prime.

It is a super-2 number, since 2×314830692 = 1982367267317522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31483061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15741534 + 15741535.

It is an arithmetic number, because the mean of its divisors is an integer number (15741535).

Almost surely, 231483069 is an apocalyptic number.

It is an amenable number.

31483069 is a deficient number, since it is larger than the sum of its proper divisors (1).

31483069 is an equidigital number, since it uses as much as digits as its factorization.

31483069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 31483069 is about 5610.9775440648. The cubic root of 31483069 is about 315.7613865229.

The spelling of 31483069 in words is "thirty-one million, four hundred eighty-three thousand, sixty-nine".