Search a number
-
+
31110033022 = 215555016511
BaseRepresentation
bin11100111110010011…
…010110111001111110
32222022010000102102021
4130332103112321332
51002203132024042
622143003550354
72150635626505
oct347623267176
988263012367
1031110033022
11122148912a2
12604282b3ba
132c1a349683
141711a3983c
15c212e2867
hex73e4d6e7e

31110033022 has 4 divisors (see below), whose sum is σ = 46665049536. Its totient is φ = 15555016510.

The previous prime is 31110033007. The next prime is 31110033047. The reversal of 31110033022 is 22033001113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22033001113 = 171296058889.

It is a junction number, because it is equal to n+sod(n) for n = 31110032987 and 31110033005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7777508254 + ... + 7777508257.

It is an arithmetic number, because the mean of its divisors is an integer number (11666262384).

Almost surely, 231110033022 is an apocalyptic number.

31110033022 is a deficient number, since it is larger than the sum of its proper divisors (15555016514).

31110033022 is a wasteful number, since it uses less digits than its factorization.

31110033022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15555016513.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31110033022 its reverse (22033001113), we get a palindrome (53143034135).

The spelling of 31110033022 in words is "thirty-one billion, one hundred ten million, thirty-three thousand, twenty-two".

Divisors: 1 2 15555016511 31110033022