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304111112431 = 71523195114621
BaseRepresentation
bin1000110110011100110…
…11110101000011101111
31002001222000201011210111
410123032123311003233
514440304421044211
6351412352320451
730654104543020
oct4331633650357
91061860634714
10304111112431
11107a77881985
124ab32243127
13228a6784b09
1410a0d13ac47
157d9d581421
hex46ce6f50ef

304111112431 has 16 divisors (see below), whose sum is σ = 347985819648. Its totient is φ = 260344188000.

The previous prime is 304111112411. The next prime is 304111112441. The reversal of 304111112431 is 134211111403.

It is a cyclic number.

It is not a de Polignac number, because 304111112431 - 219 = 304110588143 is a prime.

It is a super-2 number, since 2×3041111124312 (a number of 24 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 (304111112411) 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 15 ways as a sum of consecutive naturals, for example, 20792301 + ... + 20806921.

It is an arithmetic number, because the mean of its divisors is an integer number (21749113728).

Almost surely, 2304111112431 is an apocalyptic number.

304111112431 is a deficient number, since it is larger than the sum of its proper divisors (43874707217).

304111112431 is a wasteful number, since it uses less digits than its factorization.

304111112431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18102.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 304111112431 its reverse (134211111403), we get a palindrome (438322223834).

The spelling of 304111112431 in words is "three hundred four billion, one hundred eleven million, one hundred twelve thousand, four hundred thirty-one".

Divisors: 1 7 1523 1951 10661 13657 14621 102347 2971373 20799611 22267783 28525571 155874481 199678997 43444444633 304111112431