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12331102330 = 257316891921
BaseRepresentation
bin10110111101111110…
…11011000001111010
31011211101010220100201
423132333123001322
5200223230233310
65355334152414
7614401432441
oct133677330172
934741126321
1012331102330
115258649768
1224817b270a
131216932271
1484d9a9d58
154c2874e3a
hex2defdb07a

12331102330 has 16 divisors (see below), whose sum is σ = 22500040104. Its totient is φ = 4864872960.

The previous prime is 12331102307. The next prime is 12331102331. The reversal of 12331102330 is 3320113321.

It can be written as a sum of positive squares in 4 ways, for example, as 11876858361 + 454243969 = 108981^2 + 21313^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12331102298 and 12331102307.

It is not an unprimeable number, because it can be changed into a prime (12331102331) 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, 8445231 + ... + 8446690.

Almost surely, 212331102330 is an apocalyptic number.

12331102330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12331102330 is a deficient number, since it is larger than the sum of its proper divisors (10168937774).

12331102330 is a wasteful number, since it uses less digits than its factorization.

12331102330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16892001.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12331102330 its reverse (3320113321), we get a palindrome (15651215651).

The spelling of 12331102330 in words is "twelve billion, three hundred thirty-one million, one hundred two thousand, three hundred thirty".

Divisors: 1 2 5 10 73 146 365 730 16891921 33783842 84459605 168919210 1233110233 2466220466 6165551165 12331102330