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230132231213 = 972372497229
BaseRepresentation
bin1101011001010011110…
…0110010110000101101
3211000000022101121222212
43112110330302300231
512232302322344323
6253415444220205
722424614455413
oct3262474626055
9730008347885
10230132231213
1189664710525
123872699a665
1318916c014a1
14b1d1d0b2b3
155ebd9bcb78
hex3594f32c2d

230132231213 has 4 divisors (see below), whose sum is σ = 232504728540. Its totient is φ = 227759733888.

The previous prime is 230132231123. The next prime is 230132231237. The reversal of 230132231213 is 312132231032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 151486759369 + 78645471844 = 389213^2 + 280438^2 .

It is a cyclic number.

It is not a de Polignac number, because 230132231213 - 232 = 225837263917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230134231213) 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, 1186248518 + ... + 1186248711.

It is an arithmetic number, because the mean of its divisors is an integer number (58126182135).

Almost surely, 2230132231213 is an apocalyptic number.

It is an amenable number.

230132231213 is a deficient number, since it is larger than the sum of its proper divisors (2372497327).

230132231213 is an equidigital number, since it uses as much as digits as its factorization.

230132231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372497326.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 230132231213 its reverse (312132231032), we get a palindrome (542264462245).

The spelling of 230132231213 in words is "two hundred thirty billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 97 2372497229 230132231213