Search a number
-
+
111213113132131 = 3732713303736187
BaseRepresentation
bin11001010010010111010010…
…000110100100010001100011
3112120202212111001221000122221
4121102113102012210101203
5104034103423430212011
61032310333204211511
732265611422145533
oct3122272206442143
9476685431830587
10111213113132131
113248824205256a
1210581a1a699b97
134a0947551ba3a
141d66a59c434c3
15cccd9574a971
hex6525d21a4463

111213113132131 has 16 divisors (see below), whose sum is σ = 111592188969184. Its totient is φ = 110834501209344.

The previous prime is 111213113132071. The next prime is 111213113132137. The reversal of 111213113132131 is 131231311312111.

It is a cyclic number.

It is not a de Polignac number, because 111213113132131 - 211 = 111213113130083 is a prime.

It is a super-2 number, since 2×1112131131321312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111213113132096 and 111213113132105.

It is not an unprimeable number, because it can be changed into a prime (111213113132137) 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, 3073271020 + ... + 3073307206.

It is an arithmetic number, because the mean of its divisors is an integer number (6974511810574).

Almost surely, 2111213113132131 is an apocalyptic number.

111213113132131 is a deficient number, since it is larger than the sum of its proper divisors (379075837053).

111213113132131 is a wasteful number, since it uses less digits than its factorization.

111213113132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42310.

The product of its digits is 324, while the sum is 25.

Adding to 111213113132131 its reverse (131231311312111), we get a palindrome (242444424444242).

The spelling of 111213113132131 in words is "one hundred eleven trillion, two hundred thirteen billion, one hundred thirteen million, one hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 373 2713 3037 36187 1011949 1132801 8239381 13497751 98175331 109899919 3073289113 36619398463 40992669787 298158480247 111213113132131