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302130233431 = 1323240787187
BaseRepresentation
bin1000110010110000101…
…11011000000001010111
31001212211222100002122121
410121120113120001113
514422230314432211
6350444031240411
730554032416415
oct4313027300127
91055758302577
10302130233431
111071507051a4
124a67a979107
132264c273a70
14108a201c2b5
157cd46e9271
hex46585d8057

302130233431 has 4 divisors (see below), whose sum is σ = 325371020632. Its totient is φ = 278889446232.

The previous prime is 302130233333. The next prime is 302130233491. The reversal of 302130233431 is 134332031203.

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 302130233431 - 29 = 302130232919 is a prime.

It is a super-2 number, since 2×3021302334312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302130233396 and 302130233405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302130233491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11620393581 + ... + 11620393606.

It is an arithmetic number, because the mean of its divisors is an integer number (81342755158).

Almost surely, 2302130233431 is an apocalyptic number.

302130233431 is a deficient number, since it is larger than the sum of its proper divisors (23240787201).

302130233431 is a wasteful number, since it uses less digits than its factorization.

302130233431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23240787200.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 302130233431 its reverse (134332031203), we get a palindrome (436462264634).

The spelling of 302130233431 in words is "three hundred two billion, one hundred thirty million, two hundred thirty-three thousand, four hundred thirty-one".

Divisors: 1 13 23240787187 302130233431