Base | Representation |
---|---|
bin | 11100111001100011… |
… | …010100101110001101 |
3 | 2222002120001012120201 |
4 | 130321203110232031 |
5 | 1002022231113201 |
6 | 22131035413501 |
7 | 2145650321053 |
oct | 347143245615 |
9 | 88076035521 |
10 | 31030332301 |
11 | 121838a4a31 |
12 | 601bbb4291 |
13 | 2c06992597 |
14 | 17052101d3 |
15 | c192ec801 |
hex | 7398d4b8d |
31030332301 has 12 divisors (see below), whose sum is σ = 31437024276. Its totient is φ = 30625620480.
The previous prime is 31030332287. The next prime is 31030332329. The reversal of 31030332301 is 10323303013.
It can be written as a sum of positive squares in 6 ways, for example, as 1263731401 + 29766600900 = 35549^2 + 172530^2 .
It is not a de Polignac number, because 31030332301 - 225 = 30996777869 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 (31030332001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28389511 + ... + 28390603.
It is an arithmetic number, because the mean of its divisors is an integer number (2619752023).
Almost surely, 231030332301 is an apocalyptic number.
It is an amenable number.
31030332301 is a deficient number, since it is larger than the sum of its proper divisors (406691975).
31030332301 is an frugal number, since it uses more digits than its factorization.
31030332301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2272 (or 1731 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 31030332301 its reverse (10323303013), we get a palindrome (41353635314).
The spelling of 31030332301 in words is "thirty-one billion, thirty million, three hundred thirty-two thousand, three hundred one".
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