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312141113421 = 3131794252197
BaseRepresentation
bin1001000101011010000…
…11110110100001001101
31002211200122120111022120
410202231003312201031
520103231111112141
6355221243203153
731360101454434
oct4425503664115
91084618514276
10312141113421
11110418580535
12505b35164b9
13235862a04a7
14111717b411b
1581bd505c66
hex48ad0f684d

312141113421 has 8 divisors (see below), whose sum is σ = 419365160544. Its totient is φ = 206505570960.

The previous prime is 312141113393. The next prime is 312141113443. The reversal of 312141113421 is 124311141213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312141113421 - 215 = 312141080653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312141113391 and 312141113400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312141113021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397125706 + ... + 397126491.

It is an arithmetic number, because the mean of its divisors is an integer number (52420645068).

Almost surely, 2312141113421 is an apocalyptic number.

It is an amenable number.

312141113421 is a deficient number, since it is larger than the sum of its proper divisors (107224047123).

312141113421 is a wasteful number, since it uses less digits than its factorization.

312141113421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794252331.

The product of its digits is 576, while the sum is 24.

Adding to 312141113421 its reverse (124311141213), we get a palindrome (436452254634).

The spelling of 312141113421 in words is "three hundred twelve billion, one hundred forty-one million, one hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 3 131 393 794252197 2382756591 104047037807 312141113421