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312103200010331 = 1699989718359123
BaseRepresentation
bin100011011110110110011000…
…0010111101011000001011011
31111221001202220122001101211102
41012331230300113223001123
5311401444323200312311
63023442121500422015
7122511466150223222
oct10675546027530133
91457052818041742
10312103200010331
119049a25098a564
122b00783624790b
131051c289577572
14570dc38463cb9
1526137c18ba43b
hex11bdb305eb05b

312103200010331 has 4 divisors (see below), whose sum is σ = 312103235369352. Its totient is φ = 312103164651312.

The previous prime is 312103200010319. The next prime is 312103200010333. The reversal of 312103200010331 is 133010002301213.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 312103200010331 - 214 = 312103199993947 is a prime.

It is a super-2 number, since 2×3121032000103312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312103200010333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7820336 + ... + 26179458.

It is an arithmetic number, because the mean of its divisors is an integer number (78025808842338).

Almost surely, 2312103200010331 is an apocalyptic number.

312103200010331 is a deficient number, since it is larger than the sum of its proper divisors (35359021).

312103200010331 is a wasteful number, since it uses less digits than its factorization.

312103200010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35359020.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 312103200010331 its reverse (133010002301213), we get a palindrome (445113202311544).

The spelling of 312103200010331 in words is "three hundred twelve trillion, one hundred three billion, two hundred million, ten thousand, three hundred thirty-one".

Divisors: 1 16999897 18359123 312103200010331