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213004030231 is a prime number
BaseRepresentation
bin1100011001100000000…
…1111001000100010111
3202100210121122212101201
43012120001321010113
511442213012431411
6241504103333331
721250303245406
oct3063001710427
9670717585351
10213004030231
1182375249623
1235346751247
13171174a2415
14a4491b963d
155819e203c1
hex3198079117

213004030231 has 2 divisors, whose sum is σ = 213004030232. Its totient is φ = 213004030230.

The previous prime is 213004030199. The next prime is 213004030247. The reversal of 213004030231 is 132030400312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213004030231 - 25 = 213004030199 is a prime.

It is a super-2 number, since 2×2130040302312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213004030199 and 213004030208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213004030831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106502015115 + 106502015116.

It is an arithmetic number, because the mean of its divisors is an integer number (106502015116).

Almost surely, 2213004030231 is an apocalyptic number.

213004030231 is a deficient number, since it is larger than the sum of its proper divisors (1).

213004030231 is an equidigital number, since it uses as much as digits as its factorization.

213004030231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213004030231 its reverse (132030400312), we get a palindrome (345034430543).

The spelling of 213004030231 in words is "two hundred thirteen billion, four million, thirty thousand, two hundred thirty-one".