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30201220230311 = 134368315318237
BaseRepresentation
bin1101101110111110001010…
…00000001110110010100111
310221221012121222001120021202
412313133011000032302213
512424304044334332221
6144122125443033115
76234652251210044
oct667370500166247
9127835558046252
1030201220230311
1196942a1526359
12347924766b79b
1313b0c694b6aa0
14765a655461cb
1537590a432d0b
hex1b77c500eca7

30201220230311 has 8 divisors (see below), whose sum is σ = 32524471588224. Its totient is φ = 27877980382560.

The previous prime is 30201220230289. The next prime is 30201220230323. The reversal of 30201220230311 is 11303202210203.

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-30201220230311 is a prime.

It is a super-2 number, since 2×302012202303112 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201220230911) 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, 3019685 + ... + 8337921.

It is an arithmetic number, because the mean of its divisors is an integer number (4065558948528).

Almost surely, 230201220230311 is an apocalyptic number.

30201220230311 is a deficient number, since it is larger than the sum of its proper divisors (2323251357913).

30201220230311 is a wasteful number, since it uses less digits than its factorization.

30201220230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755081.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30201220230311 its reverse (11303202210203), we get a palindrome (41504422440514).

The spelling of 30201220230311 in words is "thirty trillion, two hundred one billion, two hundred twenty million, two hundred thirty thousand, three hundred eleven".

Divisors: 1 13 436831 5318237 5678803 69137081 2323170786947 30201220230311