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312140011141231 = 71361421133566061
BaseRepresentation
bin100011011111000111100001…
…0011110111111100001101111
31111221012021221001200121021221
41012332033002132333201233
5311403100220323004411
63023511050323004211
7122514241313533450
oct10676170236774157
91457167831617257
10312140011141231
11905039208a7a99
122b0129aa209667
13105228a4a87820
14571192b303127
152614728452071
hex11be3c27bf86f

312140011141231 has 32 divisors (see below), whose sum is σ = 391397713970816. Its totient is φ = 242342259264000.

The previous prime is 312140011141181. The next prime is 312140011141243. The reversal of 312140011141231 is 132141110041213.

It is not a de Polignac number, because 312140011141231 - 243 = 303343918119023 is a prime.

It is a super-2 number, since 2×3121400111412312 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312140011141196 and 312140011141205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312140011141331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64446060 + ... + 69120001.

It is an arithmetic number, because the mean of its divisors is an integer number (12231178561588).

Almost surely, 2312140011141231 is an apocalyptic number.

312140011141231 is a deficient number, since it is larger than the sum of its proper divisors (79257702829585).

312140011141231 is a wasteful number, since it uses less digits than its factorization.

312140011141231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133566563.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 312140011141231 its reverse (132141110041213), we get a palindrome (444281121182444).

The spelling of 312140011141231 in words is "three hundred twelve trillion, one hundred forty billion, eleven million, one hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 7 13 61 91 421 427 793 2947 5473 5551 25681 38311 179767 333853 2336971 133566061 934962427 1736358793 8147529721 12154511551 56231311681 57032708047 105917886373 393619181767 731007051853 741425204611 3430110012541 5117049362971 24010770087787 44591430163033 312140011141231