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31335400027 is a prime number
BaseRepresentation
bin11101001011101111…
…000100001001011011
32222212211002020211101
4131023233010021123
51003133330300102
622221214212231
72156343335251
oct351357041133
988784066741
1031335400027
111232001a918
1260a61b4077
132c54c45c29
1417339425d1
15c35eace87
hex74bbc425b

31335400027 has 2 divisors, whose sum is σ = 31335400028. Its totient is φ = 31335400026.

The previous prime is 31335400013. The next prime is 31335400043. The reversal of 31335400027 is 72000453313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31335400027 - 219 = 31334875739 is a prime.

It is a super-2 number, since 2×313354000272 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31335399968 and 31335400004.

It is not a weakly prime, because it can be changed into another prime (31335400627) 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, 15667700013 + 15667700014.

It is an arithmetic number, because the mean of its divisors is an integer number (15667700014).

Almost surely, 231335400027 is an apocalyptic number.

31335400027 is a deficient number, since it is larger than the sum of its proper divisors (1).

31335400027 is an equidigital number, since it uses as much as digits as its factorization.

31335400027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The spelling of 31335400027 in words is "thirty-one billion, three hundred thirty-five million, four hundred thousand, twenty-seven".