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3121234321213 = 291793733161071
BaseRepresentation
bin101101011010111000000…
…100000001111100111101
3102001101110012000220100001
4231122320010001330331
5402114241441234323
610345513015434301
7441334044661441
oct55327004017475
912041405026301
103121234321213
11aa3787449678
12424abb085991
1319843c667548
14ab0d6144821
15562ccc643ad
hex2d6b8101f3d

3121234321213 has 16 divisors (see below), whose sum is σ = 3247791379200. Its totient is φ = 2995948388160.

The previous prime is 3121234321199. The next prime is 3121234321253.

3121234321213 is nontrivially palindromic in base 10.

3121234321213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3121234321213 - 217 = 3121234190141 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 (3121234321253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19297468 + ... + 19458538.

It is an arithmetic number, because the mean of its divisors is an integer number (202986961200).

Almost surely, 23121234321213 is an apocalyptic number.

It is an amenable number.

3121234321213 is a deficient number, since it is larger than the sum of its proper divisors (126557057987).

3121234321213 is a wasteful number, since it uses less digits than its factorization.

3121234321213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165012.

The product of its digits is 5184, while the sum is 28.

The spelling of 3121234321213 in words is "three trillion, one hundred twenty-one billion, two hundred thirty-four million, three hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 29 179 3733 5191 108257 161071 668207 4671059 19378003 28831709 601278043 836119561 17437063247 107628769697 3121234321213