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3123010109213 is a prime number
BaseRepresentation
bin101101011100100001111…
…010000111111100011101
3102001120000221111021111222
4231130201322013330131
5402131411041443323
610350405133023125
7441426046635101
oct55344172077435
912046027437458
103123010109213
11aa4508876465
12425315924aa5
1319866352ac87
14ab223d17901
1556383ad89c8
hex2d721e87f1d

3123010109213 has 2 divisors, whose sum is σ = 3123010109214. Its totient is φ = 3123010109212.

The previous prime is 3123010109201. The next prime is 3123010109231. The reversal of 3123010109213 is 3129010103213.

Together with next prime (3123010109231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2922092804569 + 200917304644 = 1709413^2 + 448238^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123010109213 - 220 = 3123009060637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123018109213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561505054606 + 1561505054607.

It is an arithmetic number, because the mean of its divisors is an integer number (1561505054607).

Almost surely, 23123010109213 is an apocalyptic number.

It is an amenable number.

3123010109213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123010109213 is an equidigital number, since it uses as much as digits as its factorization.

3123010109213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 3123010109213 in words is "three trillion, one hundred twenty-three billion, ten million, one hundred nine thousand, two hundred thirteen".