Base | Representation |
---|---|
bin | 11100111001000011… |
… | …100010111111001011 |
3 | 2222001222100222201121 |
4 | 130321003202333023 |
5 | 1002013113031443 |
6 | 22130141100111 |
7 | 2145516444610 |
oct | 347103427713 |
9 | 88058328647 |
10 | 31022002123 |
11 | 1217a125392 |
12 | 6019257637 |
13 | 2c05036a98 |
14 | 1704082507 |
15 | c187044ed |
hex | 7390e2fcb |
31022002123 has 8 divisors (see below), whose sum is σ = 36995182848. Its totient is φ = 25434187944.
The previous prime is 31022002117. The next prime is 31022002129. The reversal of 31022002123 is 32120022013.
It is an interprime number because it is at equal distance from previous prime (31022002117) and next prime (31022002129).
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 31022002123 - 217 = 31021871051 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31022002097 and 31022002106.
It is not an unprimeable number, because it can be changed into a prime (31022002129) 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, 96341461 + ... + 96341782.
It is an arithmetic number, because the mean of its divisors is an integer number (4624397856).
Almost surely, 231022002123 is an apocalyptic number.
31022002123 is a deficient number, since it is larger than the sum of its proper divisors (5973180725).
31022002123 is a wasteful number, since it uses less digits than its factorization.
31022002123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192683273.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 31022002123 its reverse (32120022013), we get a palindrome (63142024136).
The spelling of 31022002123 in words is "thirty-one billion, twenty-two million, two thousand, one hundred twenty-three".
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