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12230210031 = 313332994201
BaseRepresentation
bin10110110001111101…
…00011000111101111
31011120100022001010220
423120332203013233
5200021413210111
65341331502423
7612035033004
oct133076430757
934510261126
1012230210031
1152066a88a6
122453a57a13
1311cba68590
148404258ab
154b8a95e06
hex2d8fa31ef

12230210031 has 16 divisors (see below), whose sum is σ = 17566788960. Its totient is φ = 7523942400.

The previous prime is 12230209939. The next prime is 12230210033. The reversal of 12230210031 is 13001203221.

It is not a de Polignac number, because 12230210031 - 213 = 12230201839 is a prime.

It is a super-2 number, since 2×122302100312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230210033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82731 + ... + 176931.

It is an arithmetic number, because the mean of its divisors is an integer number (1097924310).

Almost surely, 212230210031 is an apocalyptic number.

12230210031 is a deficient number, since it is larger than the sum of its proper divisors (5336578929).

12230210031 is a wasteful number, since it uses less digits than its factorization.

12230210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97546.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12230210031 its reverse (13001203221), we get a palindrome (25231413252).

The spelling of 12230210031 in words is "twelve billion, two hundred thirty million, two hundred ten thousand, thirty-one".

Divisors: 1 3 13 39 3329 9987 43277 94201 129831 282603 1224613 3673839 313595129 940785387 4076736677 12230210031