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30434440530431 = 732031357407811
BaseRepresentation
bin1101110101110000100100…
…00001000100100111111111
310222202111121111012100110002
412322320102001010213333
512442114213233433211
6144421220003304515
76260546544102020
oct672702201044777
9128674544170402
1030434440530431
1197741a0289743
1234b649467b13b
1313c9c560c6782
1477306b622c47
1537ba0a08e03b
hex1bae120449ff

30434440530431 has 8 divisors (see below), whose sum is σ = 34793077037184. Its totient is φ = 26078518845720.

The previous prime is 30434440530359. The next prime is 30434440530437. The reversal of 30434440530431 is 13403504443403.

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-30434440530431 is a prime.

It is a super-2 number, since 2×304344405304312 (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 (30434440530437) 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, 678681485 + ... + 678726326.

It is an arithmetic number, because the mean of its divisors is an integer number (4349134629648).

Almost surely, 230434440530431 is an apocalyptic number.

30434440530431 is a deficient number, since it is larger than the sum of its proper divisors (4358636506753).

30434440530431 is a wasteful number, since it uses less digits than its factorization.

30434440530431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357411021.

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 30434440530431 its reverse (13403504443403), we get a palindrome (43837944973834).

The spelling of 30434440530431 in words is "thirty trillion, four hundred thirty-four billion, four hundred forty million, five hundred thirty thousand, four hundred thirty-one".

Divisors: 1 7 3203 22421 1357407811 9501854677 4347777218633 30434440530431