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12321003131 = 192417268297
BaseRepresentation
bin10110111100110001…
…11001011001111011
31011210200010210212022
423132120321121323
5200213134100011
65354333505055
7614216540633
oct133630713173
934720123768
1012321003131
115252981018
12247a34218b
1312148074c8
1484c4db6c3
154c1a2c8db
hex2de63967b

12321003131 has 8 divisors (see below), whose sum is σ = 12974891280. Its totient is φ = 11667656448.

The previous prime is 12321003119. The next prime is 12321003173. The reversal of 12321003131 is 13130012321.

Adding to 12321003131 its reverse (13130012321), we get a palindrome (25451015452).

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

It is a cyclic number.

It is not a de Polignac number, because 12321003131 - 222 = 12316808827 is a prime.

It is a super-2 number, since 2×123210031312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321003031) 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, 88226 + ... + 180071.

It is an arithmetic number, because the mean of its divisors is an integer number (1621861410).

Almost surely, 212321003131 is an apocalyptic number.

12321003131 is a deficient number, since it is larger than the sum of its proper divisors (653888149).

12321003131 is a wasteful number, since it uses less digits than its factorization.

12321003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270733.

The product of its (nonzero) digits is 108, while the sum is 17.

The spelling of 12321003131 in words is "twelve billion, three hundred twenty-one million, three thousand, one hundred thirty-one".

Divisors: 1 19 2417 45923 268297 5097643 648473849 12321003131