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12031113310313 = 24149921631993
BaseRepresentation
bin1010111100010011011000…
…1111000011000001101001
31120121011101222021000210212
42233010312033003001221
53034104210001412223
641331003412150505
72351135126542016
oct257046617030151
946534358230725
1012031113310313
1139194038a43a9
121423863608435
136936b5615b86
142d8447c2c70d
1515ce5465e278
hexaf1363c3069

12031113310313 has 4 divisors (see below), whose sum is σ = 12081034942548. Its totient is φ = 11981191678080.

The previous prime is 12031113310301. The next prime is 12031113310327. The reversal of 12031113310313 is 31301331113021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9652032259984 + 2379081050329 = 3106772^2 + 1542427^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031113310313 - 210 = 12031113309289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031113313313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24960815756 + ... + 24960816237.

It is an arithmetic number, because the mean of its divisors is an integer number (3020258735637).

Almost surely, 212031113310313 is an apocalyptic number.

It is an amenable number.

12031113310313 is a deficient number, since it is larger than the sum of its proper divisors (49921632235).

12031113310313 is an equidigital number, since it uses as much as digits as its factorization.

12031113310313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49921632234.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 12031113310313 its reverse (31301331113021), we get a palindrome (43332444423334).

The spelling of 12031113310313 in words is "twelve trillion, thirty-one billion, one hundred thirteen million, three hundred ten thousand, three hundred thirteen".

Divisors: 1 241 49921631993 12031113310313