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1311201102202 = 223167170684861
BaseRepresentation
bin10011000101001001101…
…011010000100101111010
311122100102212012101211021
4103011021223100211322
5132440314440232302
62442205114053054
7163505533322125
oct23051153204572
94570385171737
101311201102202
11466093926052
1219215271a18a
13968518a3974
14476690473bc
152419248a437
hex13149ad097a

1311201102202 has 16 divisors (see below), whose sum is σ = 2064604090752. Its totient is φ = 623341108720.

The previous prime is 1311201102191. The next prime is 1311201102229. The reversal of 1311201102202 is 2022011021131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85334749 + ... + 85350112.

It is an arithmetic number, because the mean of its divisors is an integer number (129037755672).

Almost surely, 21311201102202 is an apocalyptic number.

1311201102202 is a deficient number, since it is larger than the sum of its proper divisors (753402988550).

1311201102202 is a wasteful number, since it uses less digits than its factorization.

1311201102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170685053.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1311201102202 its reverse (2022011021131), we get a palindrome (3333212123333).

The spelling of 1311201102202 in words is "one trillion, three hundred eleven billion, two hundred one million, one hundred two thousand, two hundred two".

Divisors: 1 2 23 46 167 334 3841 7682 170684861 341369722 3925751803 7851503606 28504371787 57008743574 655600551101 1311201102202