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312141141231421 = 7116128127258971
BaseRepresentation
bin100011011111001000000010…
…1110101111100011100111101
31111221012101211211011010121011
41012332100011311330130331
5311403110024123401141
63023511354412435221
7122514311315252155
oct10676200565743475
91457171754133534
10312141141231421
11905043507a4527
122b013064778b11
1310522a24c42548
1457119d7435765
15261479277d881
hex11be405d7c73d

312141141231421 has 8 divisors (see below), whose sum is σ = 316539469591488. Its totient is φ = 307742867712000.

The previous prime is 312141141231419. The next prime is 312141141231427. The reversal of 312141141231421 is 124132141141213.

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

It is a cyclic number.

It is not a de Polignac number, because 312141141231421 - 21 = 312141141231419 is a prime.

It is a super-2 number, since 2×3121411412314212 (a number of 30 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 (312141141231427) 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, 2178535 + ... + 25080436.

It is an arithmetic number, because the mean of its divisors is an integer number (39567433698936).

Almost surely, 2312141141231421 is an apocalyptic number.

It is an amenable number.

312141141231421 is a deficient number, since it is larger than the sum of its proper divisors (4398328360067).

312141141231421 is a wasteful number, since it uses less digits than its factorization.

312141141231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27420323.

The product of its digits is 4608, while the sum is 31.

Adding to 312141141231421 its reverse (124132141141213), we get a palindrome (436273282372634).

The spelling of 312141141231421 in words is "three hundred twelve trillion, one hundred forty-one billion, one hundred forty-one million, two hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 71 161281 11450951 27258971 1935386941 4396354101851 312141141231421