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12331311110 = 257316892207
BaseRepresentation
bin10110111110000000…
…01110000000000110
31011211101112111202022
423133000032000012
5200223303423420
65355342443142
7614403262226
oct133700160006
934741474668
1012331311110
115258781608
1224818934b2
1312169a62c1
1484da22086
154c28b6c25
hex2df00e006

12331311110 has 16 divisors (see below), whose sum is σ = 22500421056. Its totient is φ = 4864955328.

The previous prime is 12331311061. The next prime is 12331311119. The reversal of 12331311110 is 1111313321.

It is a super-2 number, since 2×123313111102 (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 (12331311119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8445374 + ... + 8446833.

It is an arithmetic number, because the mean of its divisors is an integer number (1406276316).

Almost surely, 212331311110 is an apocalyptic number.

12331311110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12331311110 is a deficient number, since it is larger than the sum of its proper divisors (10169109946).

12331311110 is a wasteful number, since it uses less digits than its factorization.

12331311110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16892287.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 12331311110 its reverse (1111313321), we get a palindrome (13442624431).

The spelling of 12331311110 in words is "twelve billion, three hundred thirty-one million, three hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 73 146 365 730 16892207 33784414 84461035 168922070 1233131111 2466262222 6165655555 12331311110