Base | Representation |
---|---|
bin | 11100111110011100… |
… | …000000100111010101 |
3 | 2222022021021122111221 |
4 | 130332130000213111 |
5 | 1002204222113023 |
6 | 22143124330341 |
7 | 2150664123643 |
oct | 347634004725 |
9 | 88267248457 |
10 | 31112301013 |
11 | 122160a0272 |
12 | 60435439b1 |
13 | 2c1a961a91 |
14 | 171206a193 |
15 | c215de85d |
hex | 73e7009d5 |
31112301013 has 8 divisors (see below), whose sum is σ = 32793883200. Its totient is φ = 29435128128.
The previous prime is 31112301007. The next prime is 31112301019. The reversal of 31112301013 is 31010321113.
It is an interprime number because it is at equal distance from previous prime (31112301007) and next prime (31112301019).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31112301013 - 213 = 31112292821 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31112301019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087828 + ... + 1116061.
It is an arithmetic number, because the mean of its divisors is an integer number (4099235400).
Almost surely, 231112301013 is an apocalyptic number.
It is an amenable number.
31112301013 is a deficient number, since it is larger than the sum of its proper divisors (1681582187).
31112301013 is a wasteful number, since it uses less digits than its factorization.
31112301013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2204651.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 31112301013 its reverse (31010321113), we get a palindrome (62122622126).
The spelling of 31112301013 in words is "thirty-one billion, one hundred twelve million, three hundred one thousand, thirteen".
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