Search a number
-
+
31112404329 = 322814546603
BaseRepresentation
bin11100111110011100…
…011001110101101001
32222022021110220020110
4130332130121311221
51002204233414304
622143130444533
72150665034106
oct347634316551
988267426213
1031112404329
1112216160956
126043593749
132c1a999b06
141712095aad
15c21610289
hex73e719d69

31112404329 has 8 divisors (see below), whose sum is σ = 41501401312. Its totient is φ = 20732505120.

The previous prime is 31112404319. The next prime is 31112404339. The reversal of 31112404329 is 92340421113.

It is an interprime number because it is at equal distance from previous prime (31112404319) and next prime (31112404339).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31112404329 - 213 = 31112396137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31112404296 and 31112404305.

It is not an unprimeable number, because it can be changed into a prime (31112404319) 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, 2266459 + ... + 2280144.

It is an arithmetic number, because the mean of its divisors is an integer number (5187675164).

Almost surely, 231112404329 is an apocalyptic number.

It is an amenable number.

31112404329 is a deficient number, since it is larger than the sum of its proper divisors (10388996983).

31112404329 is a wasteful number, since it uses less digits than its factorization.

31112404329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548887.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 31112404329 in words is "thirty-one billion, one hundred twelve million, four hundred four thousand, three hundred twenty-nine".

Divisors: 1 3 2281 6843 4546603 13639809 10370801443 31112404329