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113132122231 = 166368028937
BaseRepresentation
bin110100101011100110…
…0110011000001110111
3101211000101001021100011
41221113030303001313
53323143310402411
6123545554001051
711113343113102
oct1512714630167
9354011037304
10113132122231
1143a85151987
1219b13876187
13a88c390b7b
14569317d739
152e22088c21
hex1a57333077

113132122231 has 4 divisors (see below), whose sum is σ = 113200152832. Its totient is φ = 113064091632.

The previous prime is 113132122153. The next prime is 113132122261. The reversal of 113132122231 is 132221231311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113132122231 - 29 = 113132121719 is a prime.

It is a super-2 number, since 2×1131321222312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113132122261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34012806 + ... + 34016131.

It is an arithmetic number, because the mean of its divisors is an integer number (28300038208).

Almost surely, 2113132122231 is an apocalyptic number.

113132122231 is a deficient number, since it is larger than the sum of its proper divisors (68030601).

113132122231 is an equidigital number, since it uses as much as digits as its factorization.

113132122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68030600.

The product of its digits is 432, while the sum is 22.

Adding to 113132122231 its reverse (132221231311), we get a palindrome (245353353542).

The spelling of 113132122231 in words is "one hundred thirteen billion, one hundred thirty-two million, one hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 1663 68028937 113132122231