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12331131002211 = 372251334204163
BaseRepresentation
bin1011001101110001000010…
…1011101101110101100011
31121122211210201110220021110
42303130100223231311203
53104013124014032321
642120502100354403
72411615631051300
oct263342053556543
947584721426243
1012331131002211
113a2466aa848aa
121471a329a5a03
136b5a88cca458
14308b894580a7
15165b63665176
hexb3710aedd63

12331131002211 has 24 divisors (see below), whose sum is σ = 19202034446784. Its totient is φ = 7018287402000.

The previous prime is 12331131002173. The next prime is 12331131002261. The reversal of 12331131002211 is 11220013113321.

It is not a de Polignac number, because 12331131002211 - 226 = 12331063893347 is a prime.

It is a super-2 number, since 2×123311310022112 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12331131002261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167065185 + ... + 167138978.

It is an arithmetic number, because the mean of its divisors is an integer number (800084768616).

Almost surely, 212331131002211 is an apocalyptic number.

12331131002211 is a deficient number, since it is larger than the sum of its proper divisors (6870903444573).

12331131002211 is a wasteful number, since it uses less digits than its factorization.

12331131002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334204431 (or 334204424 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12331131002211 its reverse (11220013113321), we get a palindrome (23551144115532).

The spelling of 12331131002211 in words is "twelve trillion, three hundred thirty-one billion, one hundred thirty-one million, two thousand, two hundred eleven".

Divisors: 1 3 7 21 49 147 251 753 1757 5271 12299 36897 334204163 1002612489 2339429141 7018287423 16376003987 49128011961 83885244913 251655734739 587196714391 1761590143173 4110377000737 12331131002211