Search a number
-
+
31120000102 = 216793173653
BaseRepresentation
bin11100111110111001…
…011000010001100110
32222022210202210200101
4130332321120101212
51002213210000402
622144001334314
72151116431162
oct347671302146
988283683611
1031120000102
111221a479754
12604603739a
132c1c429259
1417130b1ca2
15c22110b87
hex73ee58466

31120000102 has 8 divisors (see below), whose sum is σ = 46959521616. Its totient is φ = 15466826232.

The previous prime is 31120000091. The next prime is 31120000123. The reversal of 31120000102 is 20100002113.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 46586493 + ... + 46587160.

It is an arithmetic number, because the mean of its divisors is an integer number (5869940202).

Almost surely, 231120000102 is an apocalyptic number.

31120000102 is a deficient number, since it is larger than the sum of its proper divisors (15839521514).

31120000102 is a wasteful number, since it uses less digits than its factorization.

31120000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93173822.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 31120000102 its reverse (20100002113), we get a palindrome (51220002215).

The spelling of 31120000102 in words is "thirty-one billion, one hundred twenty million, one hundred two", and thus it is an aban number.

Divisors: 1 2 167 334 93173653 186347306 15560000051 31120000102