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12110311310 = 251211031131
BaseRepresentation
bin10110100011101010…
…01010111110001110
31011020222200120000112
423101311022332032
5144300214430220
65321410000022
7606050643026
oct132165127616
934228616015
1012110311310
115154a56149
12241b876012
1311acc787a6
1482c534a86
154ad2b05c5
hex2d1d4af8e

12110311310 has 8 divisors (see below), whose sum is σ = 21798560376. Its totient is φ = 4844124520.

The previous prime is 12110311277. The next prime is 12110311313. The reversal of 12110311310 is 1311301121.

It is a happy number.

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

It is a super-2 number, since 2×121103113102 (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 (12110311313) by changing a digit.

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, 605515556 + ... + 605515575.

It is an arithmetic number, because the mean of its divisors is an integer number (2724820047).

Almost surely, 212110311310 is an apocalyptic number.

12110311310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12110311310 is a deficient number, since it is larger than the sum of its proper divisors (9688249066).

12110311310 is a wasteful number, since it uses less digits than its factorization.

12110311310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211031138.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 12110311310 its reverse (1311301121), we get a palindrome (13421612431).

The spelling of 12110311310 in words is "twelve billion, one hundred ten million, three hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 1211031131 2422062262 6055155655 12110311310