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23231303331213 = 319586169538769
BaseRepresentation
bin1010100100000111101011…
…00101010010110110001101
310001020220001110202110021210
411102003311211102312031
511021110202123044323
6121224151410445033
74615256232115215
oct522036545226615
9101226043673253
1023231303331213
117447382100a7a
122732470593779
13cc691952b1a3
145a45887cb245
152a4475cc5293
hex1520f5952d8d

23231303331213 has 16 divisors (see below), whose sum is σ = 32610901579200. Its totient is φ = 14669898497280.

The previous prime is 23231303331193. The next prime is 23231303331217. The reversal of 23231303331213 is 31213330313232.

It is not a de Polignac number, because 23231303331213 - 213 = 23231303323021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231303331217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34435308 + ... + 35103461.

It is an arithmetic number, because the mean of its divisors is an integer number (2038181348700).

Almost surely, 223231303331213 is an apocalyptic number.

It is an amenable number.

23231303331213 is a deficient number, since it is larger than the sum of its proper divisors (9379598247987).

23231303331213 is a wasteful number, since it uses less digits than its factorization.

23231303331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69544652.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 23231303331213 its reverse (31213330313232), we get a palindrome (54444633644445).

The spelling of 23231303331213 in words is "twenty-three trillion, two hundred thirty-one billion, three hundred three million, three hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 3 19 57 5861 17583 111359 334077 69538769 208616307 1321236611 3963709833 407566725109 1222700175327 7743767777071 23231303331213