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30431030140334 = 215215515070167
BaseRepresentation
bin1101110101101010001101…
…01111011101110110101110
310222202011210210221120201202
412322311012233131312232
512442040222203442314
6144415453335005502
76260366203211525
oct672650657356656
9128664723846652
1030431030140334
1197728001a712a
1234b58a2509892
1313c98316a3675
14772c2670d4bc
1537b8aa9830de
hex1bad46bdddae

30431030140334 has 4 divisors (see below), whose sum is σ = 45646545210504. Its totient is φ = 15215515070166.

The previous prime is 30431030140327. The next prime is 30431030140397. The reversal of 30431030140334 is 43304103013403.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30431030140297 and 30431030140306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7607757535082 + ... + 7607757535085.

It is an arithmetic number, because the mean of its divisors is an integer number (11411636302626).

Almost surely, 230431030140334 is an apocalyptic number.

30431030140334 is a deficient number, since it is larger than the sum of its proper divisors (15215515070170).

30431030140334 is a wasteful number, since it uses less digits than its factorization.

30431030140334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15215515070169.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 30431030140334 its reverse (43304103013403), we get a palindrome (73735133153737).

The spelling of 30431030140334 in words is "thirty trillion, four hundred thirty-one billion, thirty million, one hundred forty thousand, three hundred thirty-four".

Divisors: 1 2 15215515070167 30431030140334