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312412021033231 = 7257173658710969
BaseRepresentation
bin100011100001000110001011…
…1100010011000100100001111
31111222011022000220021211011101
41013002030113202120210033
5311422024304341030411
63024240033503003531
7122543011055501530
oct10702142742304417
91458138026254141
10312412021033231
11905a9215343929
122b0576618995a7
1310542433a50042
145720b72d0c687
15261b8486a08c1
hex11c231789890f

312412021033231 has 8 divisors (see below), whose sum is σ = 358431579442080. Its totient is φ = 266739780046848.

The previous prime is 312412021033201. The next prime is 312412021033243. The reversal of 312412021033231 is 132330120214213.

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 312412021033231 - 223 = 312412012644623 is a prime.

It is a super-2 number, since 2×3124120210332312 (a number of 30 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 312412021033231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312412021033201) 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, 86829353686 + ... + 86829357283.

It is an arithmetic number, because the mean of its divisors is an integer number (44803947430260).

Almost surely, 2312412021033231 is an apocalyptic number.

312412021033231 is a deficient number, since it is larger than the sum of its proper divisors (46019558408849).

312412021033231 is a wasteful number, since it uses less digits than its factorization.

312412021033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173658711233.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 312412021033231 its reverse (132330120214213), we get a palindrome (444742141247444).

The spelling of 312412021033231 in words is "three hundred twelve trillion, four hundred twelve billion, twenty-one million, thirty-three thousand, two hundred thirty-one".

Divisors: 1 7 257 1799 173658710969 1215610976783 44630288719033 312412021033231