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23330231213 is a prime number
BaseRepresentation
bin10101101110100101…
…110001001110101101
32020012220221112122112
4111232211301032231
5340240014344323
614415011453405
71454100456542
oct255645611655
966186845575
1023330231213
119992342023
1246312b7265
13227a613253
1411b46d0bc9
159182e1178
hex56e9713ad

23330231213 has 2 divisors, whose sum is σ = 23330231214. Its totient is φ = 23330231212.

The previous prime is 23330231207. The next prime is 23330231237. The reversal of 23330231213 is 31213203332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17219213284 + 6111017929 = 131222^2 + 78173^2 .

It is a cyclic number.

It is not a de Polignac number, because 23330231213 - 226 = 23263122349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23330231203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665115606 + 11665115607.

It is an arithmetic number, because the mean of its divisors is an integer number (11665115607).

Almost surely, 223330231213 is an apocalyptic number.

It is an amenable number.

23330231213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23330231213 is an equidigital number, since it uses as much as digits as its factorization.

23330231213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23330231213 its reverse (31213203332), we get a palindrome (54543434545).

The spelling of 23330231213 in words is "twenty-three billion, three hundred thirty million, two hundred thirty-one thousand, two hundred thirteen".