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312532530413231 = 369738452993547
BaseRepresentation
bin100011100001111110010011…
…0011101001011111010101111
31111222120211002101221121122202
41013003330212131023322233
5311431013110241210411
63024411243513132115
7122554505311356032
oct10703744635137257
91458524071847582
10312532530413231
1190645335791757
122b076a940ba03b
13105508ca624a9b
145726925b6d019
15261ea4d22383b
hex11c3f2674beaf

312532530413231 has 4 divisors (see below), whose sum is σ = 312540983443752. Its totient is φ = 312524077382712.

The previous prime is 312532530413221. The next prime is 312532530413297. The reversal of 312532530413231 is 132314035235213.

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 312532530413231 - 214 = 312532530396847 is a prime.

It is a super-2 number, since 2×3125325304132312 (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 (312532530413221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4226459801 + ... + 4226533746.

It is an arithmetic number, because the mean of its divisors is an integer number (78135245860938).

Almost surely, 2312532530413231 is an apocalyptic number.

312532530413231 is a deficient number, since it is larger than the sum of its proper divisors (8453030521).

312532530413231 is an equidigital number, since it uses as much as digits as its factorization.

312532530413231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453030520.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 312532530413231 its reverse (132314035235213), we get a palindrome (444846565648444).

The spelling of 312532530413231 in words is "three hundred twelve trillion, five hundred thirty-two billion, five hundred thirty million, four hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 36973 8452993547 312532530413231