Search a number
-
+
12310012131 = 337607109111
BaseRepresentation
bin10110111011011101…
…11110000011100011
31011202220110102001020
423131232332003203
5200202330342011
65353302140523
7614024243124
oct133556760343
934686412036
1012310012131
11524775434a
122476721743
131212459861
1484ac7a04b
154c0aab006
hex2ddbbe0e3

12310012131 has 8 divisors (see below), whose sum is σ = 16413936384. Its totient is φ = 8206381320.

The previous prime is 12310012081. The next prime is 12310012151. The reversal of 12310012131 is 13121001321.

It is a happy number.

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

It is not a de Polignac number, because 12310012131 - 233 = 3720077539 is a prime.

It is a super-2 number, since 2×123100121312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12310012131.

It is not an unprimeable number, because it can be changed into a prime (12310012151) 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, 58266 + ... + 167376.

It is an arithmetic number, because the mean of its divisors is an integer number (2051742048).

Almost surely, 212310012131 is an apocalyptic number.

12310012131 is a deficient number, since it is larger than the sum of its proper divisors (4103924253).

12310012131 is a wasteful number, since it uses less digits than its factorization.

12310012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146721.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12310012131 its reverse (13121001321), we get a palindrome (25431013452).

The spelling of 12310012131 in words is "twelve billion, three hundred ten million, twelve thousand, one hundred thirty-one".

Divisors: 1 3 37607 109111 112821 327333 4103337377 12310012131