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30231312202133 = 720146972143627
BaseRepresentation
bin1101101111110110001101…
…00111111111100110010101
310222001002022010102010021122
412313323012213333212111
512430302211410432013
6144144023442253325
76240066045563240
oct667730647774625
9128032263363248
1030231312202133
1196a6033678159
123483045357245
1313b3a53941483
147672bbc92257
153765bc177a08
hex1b7ec69ff995

30231312202133 has 8 divisors (see below), whose sum is σ = 34550104354752. Its totient is φ = 25912528366176.

The previous prime is 30231312202037. The next prime is 30231312202151. The reversal of 30231312202133 is 33120221313203.

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-30231312202133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231312202193) 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, 13031066 + ... + 15174692.

It is an arithmetic number, because the mean of its divisors is an integer number (4318763044344).

Almost surely, 230231312202133 is an apocalyptic number.

It is an amenable number.

30231312202133 is a deficient number, since it is larger than the sum of its proper divisors (4318792152619).

30231312202133 is a wasteful number, since it uses less digits than its factorization.

30231312202133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158331.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 30231312202133 its reverse (33120221313203), we get a palindrome (63351533515336).

The spelling of 30231312202133 in words is "thirty trillion, two hundred thirty-one billion, three hundred twelve million, two hundred two thousand, one hundred thirty-three".

Divisors: 1 7 2014697 2143627 14102879 15005389 4318758886019 30231312202133