Base | Representation |
---|---|
bin | 1110001100011011010011… |
… | …01111001010111010110001 |
3 | 11002111221222122011120221020 |
4 | 13012031221233022322301 |
5 | 13042344320114010301 |
6 | 150215105341050053 |
7 | 6401041463366100 |
oct | 706155157127261 |
9 | 132457878146836 |
10 | 31213301313201 |
11 | 9a44539953677 |
12 | 360141b556929 |
13 | 145552b666387 |
14 | 79ca36276037 |
15 | 391de25d4436 |
hex | 1c6369bcaeb1 |
31213301313201 has 12 divisors (see below), whose sum is σ = 48412467343152. Its totient is φ = 17836172178888.
The previous prime is 31213301313193. The next prime is 31213301313223. The reversal of 31213301313201 is 10231310331213.
It is not a de Polignac number, because 31213301313201 - 23 = 31213301313193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31213301313281) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106167691395 + ... + 106167691688.
It is an arithmetic number, because the mean of its divisors is an integer number (4034372278596).
Almost surely, 231213301313201 is an apocalyptic number.
It is an amenable number.
31213301313201 is a deficient number, since it is larger than the sum of its proper divisors (17199166029951).
31213301313201 is a wasteful number, since it uses less digits than its factorization.
31213301313201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212335383100 (or 212335383093 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 31213301313201 its reverse (10231310331213), we get a palindrome (41444611644414).
The spelling of 31213301313201 in words is "thirty-one trillion, two hundred thirteen billion, three hundred one million, three hundred thirteen thousand, two hundred one".
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