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2131323230202 = 233785311255047
BaseRepresentation
bin11111000000111100110…
…000111001011111111010
321112202022120200011011220
4133000330300321133322
5234404422221331302
64311041045332510
7306661114354305
oct37007460713772
97482276604156
102131323230202
117519864443a1
122a5093a07136
13125ca161864a
14752299a5b3c
153a6920be4bc
hex1f03cc397fa

2131323230202 has 32 divisors (see below), whose sum is σ = 4382985812352. Its totient is φ = 690429541824.

The previous prime is 2131323230173. The next prime is 2131323230213. The reversal of 2131323230202 is 2020323231312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5438158 + ... + 5816889.

It is an arithmetic number, because the mean of its divisors is an integer number (136968306636).

Almost surely, 22131323230202 is an apocalyptic number.

2131323230202 is an abundant number, since it is smaller than the sum of its proper divisors (2251662582150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131323230202 is a wasteful number, since it uses less digits than its factorization.

2131323230202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255942.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2131323230202 its reverse (2020323231312), we get a palindrome (4151646461514).

The spelling of 2131323230202 in words is "two trillion, one hundred thirty-one billion, three hundred twenty-three million, two hundred thirty thousand, two hundred two".

Divisors: 1 2 3 6 37 74 111 222 853 1706 2559 5118 31561 63122 94683 189366 11255047 22510094 33765141 67530282 416436739 832873478 1249310217 2498620434 9600555091 19201110182 28801665273 57603330546 355220538367 710441076734 1065661615101 2131323230202