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431112244201 = 774155692061
BaseRepresentation
bin1100100011000000100…
…10101100101111101001
31112012202221202010120121
412101200102230233221
524030404213303301
6530014503323241
743101235420222
oct6214022545751
91465687663517
10431112244201
11156919693a11
126b676750521
13318662802b2
1416c1a216249
15b332ec63a1
hex64604acbe9

431112244201 has 4 divisors (see below), whose sum is σ = 431167944004. Its totient is φ = 431056544400.

The previous prime is 431112244187. The next prime is 431112244217. The reversal of 431112244201 is 102442211134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102442211134 = 251221105567.

It can be written as a sum of positive squares in 2 ways, for example, as 33990453225 + 397121790976 = 184365^2 + 630176^2 .

It is a cyclic number.

It is not a de Polignac number, because 431112244201 - 29 = 431112243689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431112244231) 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, 27838290 + ... + 27853771.

It is an arithmetic number, because the mean of its divisors is an integer number (107791986001).

Almost surely, 2431112244201 is an apocalyptic number.

It is an amenable number.

431112244201 is a deficient number, since it is larger than the sum of its proper divisors (55699803).

431112244201 is an equidigital number, since it uses as much as digits as its factorization.

431112244201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55699802.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 431112244201 its reverse (102442211134), we get a palindrome (533554455335).

The spelling of 431112244201 in words is "four hundred thirty-one billion, one hundred twelve million, two hundred forty-four thousand, two hundred one".

Divisors: 1 7741 55692061 431112244201