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304031423231 = 1880291616939
BaseRepresentation
bin1000110110010011010…
…11110101101011111111
31002001202110202112202122
410123021223311223333
514440124021020411
6351400424313155
730652116313004
oct4331153655377
91061673675678
10304031423231
11107a368a3238
124ab0b6127bb
1322893103043
1410a027158ab
157d9658e9db
hex46c9af5aff

304031423231 has 4 divisors (see below), whose sum is σ = 304033228200. Its totient is φ = 304029618264.

The previous prime is 304031423197. The next prime is 304031423237. The reversal of 304031423231 is 132324130403.

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

It is a cyclic number.

It is not a de Polignac number, because 304031423231 - 222 = 304027228927 is a prime.

It is a super-2 number, since 2×3040314232312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304031423231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304031423237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620441 + ... + 996498.

It is an arithmetic number, because the mean of its divisors is an integer number (76008307050).

Almost surely, 2304031423231 is an apocalyptic number.

304031423231 is a deficient number, since it is larger than the sum of its proper divisors (1804969).

304031423231 is a wasteful number, since it uses less digits than its factorization.

304031423231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804968.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 304031423231 its reverse (132324130403), we get a palindrome (436355553634).

The spelling of 304031423231 in words is "three hundred four billion, thirty-one million, four hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 188029 1616939 304031423231