Base | Representation |
---|---|
bin | 11100111110011111… |
… | …111011111001111001 |
3 | 2222022100012221102120 |
4 | 130332133323321321 |
5 | 1002210003032142 |
6 | 22143202351453 |
7 | 2151005641530 |
oct | 347637737171 |
9 | 88270187376 |
10 | 31113330297 |
11 | 12216733615 |
12 | 604395b589 |
13 | 2c1ac3241a |
14 | 1712257317 |
15 | c217447ec |
hex | 73e7fbe79 |
31113330297 has 16 divisors (see below), whose sum is σ = 48419530752. Its totient is φ = 17400767760.
The previous prime is 31113330277. The next prime is 31113330299. The reversal of 31113330297 is 79203331113.
It is not a de Polignac number, because 31113330297 - 211 = 31113328249 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31113330299) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15760579 + ... + 15762552.
It is an arithmetic number, because the mean of its divisors is an integer number (3026220672).
Almost surely, 231113330297 is an apocalyptic number.
It is an amenable number.
31113330297 is a deficient number, since it is larger than the sum of its proper divisors (17306200455).
31113330297 is a wasteful number, since it uses less digits than its factorization.
31113330297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31523188.
The product of its (nonzero) digits is 10206, while the sum is 33.
The spelling of 31113330297 in words is "thirty-one billion, one hundred thirteen million, three hundred thirty thousand, two hundred ninety-seven".
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