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312103101133313 = 7237172147325501
BaseRepresentation
bin100011011110110110010101…
…0011110011111001000000001
31111221001202122201222221001122
41012331230222132133020001
5311401444122342231223
63023442104005242025
7122511463536616100
oct10675545236371001
91457052581887048
10312103101133313
119049a200095816
122b007809103315
131051c271c37c59
14570dc29286037
1526137b7d885c8
hex11bdb2a79f201

312103101133313 has 12 divisors (see below), whose sum is σ = 372871107037332. Its totient is φ = 260286756156000.

The previous prime is 312103101133303. The next prime is 312103101133337. The reversal of 312103101133313 is 313331101301213.

It can be written as a sum of positive squares in 2 ways, for example, as 274978244971024 + 37124856162289 = 16582468^2 + 6093017^2 .

It is not a de Polignac number, because 312103101133313 - 26 = 312103101133249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312103101133303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86073660938 + ... + 86073664563.

It is an arithmetic number, because the mean of its divisors is an integer number (31072592253111).

Almost surely, 2312103101133313 is an apocalyptic number.

It is an amenable number.

312103101133313 is a deficient number, since it is larger than the sum of its proper divisors (60768005904019).

312103101133313 is a wasteful number, since it uses less digits than its factorization.

312103101133313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172147325552 (or 172147325545 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 312103101133313 its reverse (313331101301213), we get a palindrome (625434202434526).

The spelling of 312103101133313 in words is "three hundred twelve trillion, one hundred three billion, one hundred one million, one hundred thirty-three thousand, three hundred thirteen".

Divisors: 1 7 37 49 259 1813 172147325501 1205031278507 6369451043537 8435218949549 44586157304759 312103101133313