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113131200212011 = 1922384467316109
BaseRepresentation
bin11001101110010001101001…
…000000000110110000101011
3112211120020101212011101112201
4121232101221000012300223
5104312020144223241021
61040335431135121031
732554313414261452
oct3156215100066053
9484506355141481
10113131200212011
1133057744217053
1210831702073177
134b182c35429b7
141dd1817889b99
15d12c07348591
hex66e469006c2b

113131200212011 has 16 divisors (see below), whose sum is σ = 119621284070400. Its totient is φ = 106694711798688.

The previous prime is 113131200211979. The next prime is 113131200212053. The reversal of 113131200212011 is 110212002131311.

It is a cyclic number.

It is not a de Polignac number, because 113131200212011 - 25 = 113131200211979 is a prime.

It is a super-2 number, since 2×1131312002120112 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113131200212011.

It is not an unprimeable number, because it can be changed into a prime (113131200212711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357728625 + ... + 358044733.

It is an arithmetic number, because the mean of its divisors is an integer number (7476330254400).

Almost surely, 2113131200212011 is an apocalyptic number.

113131200212011 is a deficient number, since it is larger than the sum of its proper divisors (6490083858389).

113131200212011 is a wasteful number, since it uses less digits than its factorization.

113131200212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400818.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 113131200212011 its reverse (110212002131311), we get a palindrome (223343202343322).

The spelling of 113131200212011 in words is "one hundred thirteen trillion, one hundred thirty-one billion, two hundred million, two hundred twelve thousand, eleven".

Divisors: 1 19 223 4237 84467 316109 1604873 6006071 18836141 70492307 357886679 1339353833 26700778903 507314799157 5954273695369 113131200212011