Base | Representation |
---|---|
bin | 1110000110010000000100… |
… | …01101011010001111001101 |
3 | 11001202200021201200110022220 |
4 | 13003020002031122033031 |
5 | 13030410233404343201 |
6 | 145533414102325553 |
7 | 6346520300525163 |
oct | 703100215321715 |
9 | 131680251613286 |
10 | 31001111012301 |
11 | 9972551a72a31 |
12 | 35882814298b9 |
13 | 143b513943001 |
14 | 79266719b233 |
15 | 38b623d4e036 |
hex | 1c320235a3cd |
31001111012301 has 4 divisors (see below), whose sum is σ = 41334814683072. Its totient is φ = 20667407341532.
The previous prime is 31001111012299. The next prime is 31001111012309. The reversal of 31001111012301 is 10321011110013.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31001111012301 - 21 = 31001111012299 is a prime.
It is a super-2 number, since 2×310011110123012 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31001111012309) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5166851835381 + ... + 5166851835386.
It is an arithmetic number, because the mean of its divisors is an integer number (10333703670768).
Almost surely, 231001111012301 is an apocalyptic number.
It is an amenable number.
31001111012301 is a deficient number, since it is larger than the sum of its proper divisors (10333703670771).
31001111012301 is a wasteful number, since it uses less digits than its factorization.
31001111012301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10333703670770.
The product of its (nonzero) digits is 18, while the sum is 15.
Adding to 31001111012301 its reverse (10321011110013), we get a palindrome (41322122122314).
The spelling of 31001111012301 in words is "thirty-one trillion, one billion, one hundred eleven million, twelve thousand, three hundred one".
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