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311441303441 = 1721077651569
BaseRepresentation
bin1001000100000110101…
…10010010011110010001
31002202212212202110111102
410202003112102132101
520100312433202231
6355024003554145
731333543254212
oct4420326223621
91082785673442
10311441303441
11110099550984
125043908b955
13234a42c9748
1411106889409
15817bd6eacb
hex4883592791

311441303441 has 6 divisors (see below), whose sum is σ = 330839031990. Its totient is φ = 293121226496.

The previous prime is 311441303419. The next prime is 311441303447. The reversal of 311441303441 is 144303144113.

It can be written as a sum of positive squares in 3 ways, for example, as 214735852816 + 96705450625 = 463396^2 + 310975^2 .

It is a de Polignac number, because none of the positive numbers 2k-311441303441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (311441303447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538825496 + ... + 538826073.

It is an arithmetic number, because the mean of its divisors is an integer number (55139838665).

Almost surely, 2311441303441 is an apocalyptic number.

It is an amenable number.

311441303441 is a deficient number, since it is larger than the sum of its proper divisors (19397728549).

311441303441 is a wasteful number, since it uses less digits than its factorization.

311441303441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077651603 (or 1077651586 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 311441303441 its reverse (144303144113), we get a palindrome (455744447554).

The spelling of 311441303441 in words is "three hundred eleven billion, four hundred forty-one million, three hundred three thousand, four hundred forty-one".

Divisors: 1 17 289 1077651569 18320076673 311441303441