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230102213 = 11123116993
BaseRepresentation
bin11011011011100…
…01010011000101
3121000222101220012
431231301103011
5432401232323
634455520005
75462556635
oct1555612305
9530871805
10230102213
11108983220
1265089005
1338896973
14227ba6c5
1515303678
hexdb714c5

230102213 has 8 divisors (see below), whose sum is σ = 251239296. Its totient is φ = 209001600.

The previous prime is 230102111. The next prime is 230102219. The reversal of 230102213 is 312201032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230102213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230102219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5045 + ... + 22037.

It is an arithmetic number, because the mean of its divisors is an integer number (31404912).

Almost surely, 2230102213 is an apocalyptic number.

It is an amenable number.

230102213 is a deficient number, since it is larger than the sum of its proper divisors (21137083).

230102213 is a wasteful number, since it uses less digits than its factorization.

230102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18235.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 230102213 is about 15169.1203766072. The cubic root of 230102213 is about 612.7833151616.

Adding to 230102213 its reverse (312201032), we get a palindrome (542303245).

The spelling of 230102213 in words is "two hundred thirty million, one hundred two thousand, two hundred thirteen".

Divisors: 1 11 1231 13541 16993 186923 20918383 230102213