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312030102123331 = 41181271379409379
BaseRepresentation
bin100011011110010100010101…
…1011001010111001101000011
31111220210210020022110222220021
41012330220223121113031003
5311344300122120421311
63023344352223154311
7122503300545356104
oct10674505331271503
91456723208428807
10312030102123331
119047125004a0a9
122abb5635a45997
131051540a3948a7
14570a4a22443ab
15261194432c171
hex11bca2b657343

312030102123331 has 32 divisors (see below), whose sum is σ = 323444522419200. Its totient is φ = 300824054496000.

The previous prime is 312030102123301. The next prime is 312030102123409. The reversal of 312030102123331 is 133321201030213.

It is a cyclic number.

It is not a de Polignac number, because 312030102123331 - 221 = 312030100026179 is a prime.

It is a super-2 number, since 2×3120301021233312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312030102123296 and 312030102123305.

It is not an unprimeable number, because it can be changed into a prime (312030102123301) 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, 761998800 + ... + 762408178.

It is an arithmetic number, because the mean of its divisors is an integer number (10107641325600).

Almost surely, 2312030102123331 is an apocalyptic number.

312030102123331 is a deficient number, since it is larger than the sum of its proper divisors (11414420295869).

312030102123331 is a wasteful number, since it uses less digits than its factorization.

312030102123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410251.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 312030102123331 its reverse (133321201030213), we get a palindrome (445351303153544).

The spelling of 312030102123331 in words is "three hundred twelve trillion, thirty billion, one hundred two million, one hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 41 181 271 379 7421 11111 15539 49051 68599 102709 409379 2011091 2812559 4211069 16784539 18590329 74097599 110941709 155154641 762203489 3038001559 4548610069 6361340281 20080449329 28082990021 42046907711 823298422489 1151402590861 1723923216151 7610490295691 312030102123331