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31852385029 is a prime number
BaseRepresentation
bin11101101010100011…
…001101001100000101
310001012211212210221001
4131222203031030011
51010213202310104
622344403053301
72205221543203
oct355243151405
9101184783831
1031852385029
1112565928353
12620b371231
13300809700a
14178247a073
15c6657daa4
hex76a8cd305

31852385029 has 2 divisors, whose sum is σ = 31852385030. Its totient is φ = 31852385028.

The previous prime is 31852384943. The next prime is 31852385039. The reversal of 31852385029 is 92058325813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17588860129 + 14263524900 = 132623^2 + 119430^2 .

It is a cyclic number.

It is not a de Polignac number, because 31852385029 - 215 = 31852352261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31852385029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31852385039) 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 as a sum of consecutive naturals, namely, 15926192514 + 15926192515.

It is an arithmetic number, because the mean of its divisors is an integer number (15926192515).

Almost surely, 231852385029 is an apocalyptic number.

It is an amenable number.

31852385029 is a deficient number, since it is larger than the sum of its proper divisors (1).

31852385029 is an equidigital number, since it uses as much as digits as its factorization.

31852385029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 31852385029 in words is "thirty-one billion, eight hundred fifty-two million, three hundred eighty-five thousand, twenty-nine".