Base | Representation |
---|---|
bin | 11101001100000101… |
… | …111111111011101111 |
3 | 2222220020101200210222 |
4 | 131030011333323233 |
5 | 1003141400141304 |
6 | 22221551121555 |
7 | 2156445415145 |
oct | 351405777357 |
9 | 88806350728 |
10 | 31341412079 |
11 | 1232345685a |
12 | 60a82132bb |
13 | 2c5626c563 |
14 | 1734669595 |
15 | c367994be |
hex | 74c17feef |
31341412079 has 2 divisors, whose sum is σ = 31341412080. Its totient is φ = 31341412078.
The previous prime is 31341412043. The next prime is 31341412099. The reversal of 31341412079 is 97021414313.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31341412079 is a prime.
It is a super-2 number, since 2×313414120792 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31341412009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15670706039 + 15670706040.
It is an arithmetic number, because the mean of its divisors is an integer number (15670706040).
Almost surely, 231341412079 is an apocalyptic number.
31341412079 is a deficient number, since it is larger than the sum of its proper divisors (1).
31341412079 is an equidigital number, since it uses as much as digits as its factorization.
31341412079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18144, while the sum is 35.
The spelling of 31341412079 in words is "thirty-one billion, three hundred forty-one million, four hundred twelve thousand, seventy-nine".
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