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313123203012211 = 2021017154933483
BaseRepresentation
bin100011100110010001010110…
…1010010010101011001110011
31112001200021201101122121100221
41013030202231102111121303
5312020202304432342321
63025542451424553511
7122645255604541054
oct10714425522253163
91461607641577327
10313123203012211
1190852893aa4869
122b15145b182897
1310594511a2c197
14574735b33472b
1526300be291e41
hex11cc8ad495673

313123203012211 has 4 divisors (see below), whose sum is σ = 313123359966712. Its totient is φ = 313123046057712.

The previous prime is 313123203012199. The next prime is 313123203012247. The reversal of 313123203012211 is 112210302321313.

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 313123203012211 - 233 = 313114613077619 is a prime.

It is a super-2 number, since 2×3131232030122112 (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 (313123203012281) 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, 75445725 + ... + 79487758.

It is an arithmetic number, because the mean of its divisors is an integer number (78280839991678).

Almost surely, 2313123203012211 is an apocalyptic number.

313123203012211 is a deficient number, since it is larger than the sum of its proper divisors (156954501).

313123203012211 is a wasteful number, since it uses less digits than its factorization.

313123203012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156954500.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 313123203012211 its reverse (112210302321313), we get a palindrome (425333505333524).

The spelling of 313123203012211 in words is "three hundred thirteen trillion, one hundred twenty-three billion, two hundred three million, twelve thousand, two hundred eleven".

Divisors: 1 2021017 154933483 313123203012211