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113220100231 = 727211594403
BaseRepresentation
bin110100101110001110…
…0011010000010000111
3101211020111121000110121
41221130130122002013
53323333321201411
6124002415402411
711115461654530
oct1513434320207
9354214530417
10113220100231
114401a882077
1219b39223407
13a8a4685664
1456a0b21687
152e29b66571
hex1a5c71a087

113220100231 has 8 divisors (see below), whose sum is σ = 129399373184. Its totient is φ = 97042070520.

The previous prime is 113220100211. The next prime is 113220100247. The reversal of 113220100231 is 132001022311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113220100231 - 25 = 113220100199 is a prime.

It is a super-2 number, since 2×1132201002312 (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 (113220100211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106725 + ... + 487678.

It is an arithmetic number, because the mean of its divisors is an integer number (16174921648).

Almost surely, 2113220100231 is an apocalyptic number.

113220100231 is a deficient number, since it is larger than the sum of its proper divisors (16179272953).

113220100231 is an equidigital number, since it uses as much as digits as its factorization.

113220100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621621.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 113220100231 its reverse (132001022311), we get a palindrome (245221122542).

The spelling of 113220100231 in words is "one hundred thirteen billion, two hundred twenty million, one hundred thousand, two hundred thirty-one".

Divisors: 1 7 27211 190477 594403 4160821 16174300033 113220100231