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230331213233 = 1120939201203
BaseRepresentation
bin1101011010000011001…
…1110110010110110001
3211000112011210222000022
43112200303312112301
512233204242310413
6253451313133225
722432552003052
oct3264063662661
9730464728008
10230331213233
1189756a68680
123878155a215
13189491c0324
14b210506729
155ed11c5608
hex35a0cf65b1

230331213233 has 4 divisors (see below), whose sum is σ = 251270414448. Its totient is φ = 209392012020.

The previous prime is 230331213197. The next prime is 230331213239. The reversal of 230331213233 is 332312133032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230331213233 - 26 = 230331213169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230331213239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10469600591 + ... + 10469600612.

It is an arithmetic number, because the mean of its divisors is an integer number (62817603612).

Almost surely, 2230331213233 is an apocalyptic number.

It is an amenable number.

230331213233 is a deficient number, since it is larger than the sum of its proper divisors (20939201215).

230331213233 is a wasteful number, since it uses less digits than its factorization.

230331213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20939201214.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 230331213233 its reverse (332312133032), we get a palindrome (562643346265).

The spelling of 230331213233 in words is "two hundred thirty billion, three hundred thirty-one million, two hundred thirteen thousand, two hundred thirty-three".

Divisors: 1 11 20939201203 230331213233