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12230031002311 = 13987985834549
BaseRepresentation
bin1011000111111000011010…
…1001110100101011000111
31121022011211212222202211201
42301332012221310223013
53100334100414033221
642002222040443331
72401406366200063
oct261760651645307
947264755882751
1012230031002311
1139957aa734581
121456318779547
136a939663a0c5
14303d18298aa3
151631e7a94891
hexb1f86a74ac7

12230031002311 has 4 divisors (see below), whose sum is σ = 12318016837000. Its totient is φ = 12142045167624.

The previous prime is 12230031002291. The next prime is 12230031002381. The reversal of 12230031002311 is 11320013003221.

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

It is a cyclic number.

It is not a de Polignac number, because 12230031002311 - 25 = 12230031002279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230031002381) 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, 43992917136 + ... + 43992917413.

It is an arithmetic number, because the mean of its divisors is an integer number (3079504209250).

Almost surely, 212230031002311 is an apocalyptic number.

12230031002311 is a deficient number, since it is larger than the sum of its proper divisors (87985834689).

12230031002311 is an equidigital number, since it uses as much as digits as its factorization.

12230031002311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87985834688.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12230031002311 its reverse (11320013003221), we get a palindrome (23550044005532).

The spelling of 12230031002311 in words is "twelve trillion, two hundred thirty billion, thirty-one million, two thousand, three hundred eleven".

Divisors: 1 139 87985834549 12230031002311