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13131000311202 = 2321795890169191
BaseRepresentation
bin1011111100010100110010…
…0110111110110110100010
31201111022101222200211220100
42333011030212332312202
53210114242034424302
643532144231523230
72523453300024054
oct277051446766642
951438358624810
1013131000311202
11420290a3954a4
121580a61529516
1374332bb78967
143357882bd8d4
1517b87a23dd1c
hexbf14c9beda2

13131000311202 has 48 divisors (see below), whose sum is σ = 28610341231680. Its totient is φ = 4352410788000.

The previous prime is 13131000311189. The next prime is 13131000311237. The reversal of 13131000311202 is 20211300013131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189744427 + ... + 189813617.

It is an arithmetic number, because the mean of its divisors is an integer number (596048775660).

Almost surely, 213131000311202 is an apocalyptic number.

13131000311202 is an abundant number, since it is smaller than the sum of its proper divisors (15479340920478).

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

13131000311202 is a wasteful number, since it uses less digits than its factorization.

13131000311202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128279 (or 128276 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13131000311202 its reverse (20211300013131), we get a palindrome (33342300324333).

The spelling of 13131000311202 in words is "thirteen trillion, one hundred thirty-one billion, three hundred eleven thousand, two hundred two".

Divisors: 1 2 3 6 9 18 179 358 537 1074 1611 3222 58901 69191 117802 138382 176703 207573 353406 415146 530109 622719 1060218 1245438 10543279 12385189 21086558 24770378 31629837 37155567 63259674 74311134 94889511 111466701 189779022 222933402 4075419091 8150838182 12226257273 24452514546 36678771819 73357543638 729500017289 1459000034578 2188500051867 4377000103734 6565500155601 13131000311202