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30231001320133 = 416943731061881
BaseRepresentation
bin1101101111110101101000…
…00110000100101011000101
310222001001111110102200100111
412313322310012010223011
512430301042314221013
6144143532535113021
76240055252251565
oct667726406045305
9128031443380314
1030231001320133
1196a5994140989
123482b79212771
1313b3a04403523
1476728c888da5
1537659ec1973d
hex1b7eb4184ac5

30231001320133 has 8 divisors (see below), whose sum is σ = 30968416578456. Its totient is φ = 29493589574400.

The previous prime is 30231001320131. The next prime is 30231001320137. The reversal of 30231001320133 is 33102310013203.

It can be written as a sum of positive squares in 4 ways, for example, as 5716005927489 + 24514995392644 = 2390817^2 + 4951262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30231001320133 - 21 = 30231001320131 is a prime.

It is a super-2 number, since 2×302310013201332 (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 (30231001320131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27938353 + ... + 29000233.

It is an arithmetic number, because the mean of its divisors is an integer number (3871052072307).

Almost surely, 230231001320133 is an apocalyptic number.

It is an amenable number.

30231001320133 is a deficient number, since it is larger than the sum of its proper divisors (737415258323).

30231001320133 is a wasteful number, since it uses less digits than its factorization.

30231001320133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756295.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 30231001320133 its reverse (33102310013203), we get a palindrome (63333311333336).

The spelling of 30231001320133 in words is "thirty trillion, two hundred thirty-one billion, one million, three hundred twenty thousand, one hundred thirty-three".

Divisors: 1 41 694373 1061881 28469293 43537121 737341495613 30231001320133