Base | Representation |
---|---|
bin | 11100111111000101… |
… | …011010000110100010 |
3 | 2222100000201000002000 |
4 | 130333011122012202 |
5 | 1002220011401224 |
6 | 22144153104430 |
7 | 2151155303211 |
oct | 347705320642 |
9 | 88300630060 |
10 | 31123153314 |
11 | 12221232810 |
12 | 60470b8116 |
13 | 2c1cc91566 |
14 | 1713693078 |
15 | c225350c9 |
hex | 73f15a1a2 |
31123153314 has 64 divisors (see below), whose sum is σ = 76405248000. Its totient is φ = 9311861520.
The previous prime is 31123153301. The next prime is 31123153337. The reversal of 31123153314 is 41335132113.
31123153314 is a `hidden beast` number, since 3 + 1 + 12 + 315 + 331 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284694 + ... + 378545.
It is an arithmetic number, because the mean of its divisors is an integer number (1193832000).
Almost surely, 231123153314 is an apocalyptic number.
31123153314 is an abundant number, since it is smaller than the sum of its proper divisors (45282094686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31123153314 is a wasteful number, since it uses less digits than its factorization.
31123153314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 663340 (or 663334 counting only the distinct ones).
The product of its digits is 3240, while the sum is 27.
Adding to 31123153314 its reverse (41335132113), we get a palindrome (72458285427).
The spelling of 31123153314 in words is "thirty-one billion, one hundred twenty-three million, one hundred fifty-three thousand, three hundred fourteen".
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