Base | Representation |
---|---|
bin | 1110001111110101001000… |
… | …11111100101101100010101 |
3 | 11002221010212002000110111021 |
4 | 13013322210133211230111 |
5 | 13101303323301420201 |
6 | 150344530235041141 |
7 | 6412351555134013 |
oct | 707724437455425 |
9 | 132833762013437 |
10 | 31330251201301 |
11 | 9a8a0a3030558 |
12 | 36200198a01b1 |
13 | 1463578971bb0 |
14 | 7a456c48d8b3 |
15 | 394e898e7ea1 |
hex | 1c7ea47e5b15 |
31330251201301 has 8 divisors (see below), whose sum is σ = 33986549873304. Its totient is φ = 28709135293440.
The previous prime is 31330251201281. The next prime is 31330251201383. The reversal of 31330251201301 is 10310215203313.
It can be written as a sum of positive squares in 4 ways, for example, as 106407092401 + 31223844108900 = 326201^2 + 5587830^2 .
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 31330251201301 - 25 = 31330251201269 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 (31330251208301) 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, 8795689180 + ... + 8795692741.
It is an arithmetic number, because the mean of its divisors is an integer number (4248318734163).
Almost surely, 231330251201301 is an apocalyptic number.
It is an amenable number.
31330251201301 is a deficient number, since it is larger than the sum of its proper divisors (2656298672003).
31330251201301 is a wasteful number, since it uses less digits than its factorization.
31330251201301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17591382071.
The product of its (nonzero) digits is 1620, while the sum is 25.
Adding to 31330251201301 its reverse (10310215203313), we get a palindrome (41640466404614).
The spelling of 31330251201301 in words is "thirty-one trillion, three hundred thirty billion, two hundred fifty-one million, two hundred one thousand, three hundred one".
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