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31230241221433 = 541212651271463
BaseRepresentation
bin1110001100111010110110…
…11011110010101100111001
311002120120201012121002102211
413012131123123302230321
513043134013223041213
6150230550314055121
76402211330261462
oct706353333625471
9132516635532384
1031230241221433
119a50741aa9431
12360476871a4a1
131456ccb079b07
1479d7a1d91d69
1539258488b53d
hex1c675b6f2b39

31230241221433 has 8 divisors (see below), whose sum is σ = 31288230490176. Its totient is φ = 31172252922000.

The previous prime is 31230241221401. The next prime is 31230241221437. The reversal of 31230241221433 is 33412214203213.

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 31230241221433 - 25 = 31230241221401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31230241221395 and 31230241221404.

It is not an unprimeable number, because it can be changed into a prime (31230241221437) 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, 114908460 + ... + 115179922.

It is an arithmetic number, because the mean of its divisors is an integer number (3911028811272).

Almost surely, 231230241221433 is an apocalyptic number.

It is an amenable number.

31230241221433 is a deficient number, since it is larger than the sum of its proper divisors (57989268743).

31230241221433 is a wasteful number, since it uses less digits than its factorization.

31230241221433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484655.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 31230241221433 its reverse (33412214203213), we get a palindrome (64642455424646).

The spelling of 31230241221433 in words is "thirty-one trillion, two hundred thirty billion, two hundred forty-one million, two hundred twenty-one thousand, four hundred thirty-three".

Divisors: 1 541 212651 271463 115044191 146861483 57726878413 31230241221433