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231341441141 = 509454501849
BaseRepresentation
bin1101011101110100000…
…1100100000001110101
3211010010120201212011202
43113131001210001311
512242241402104031
6254135441542245
722466566542656
oct3273501440165
9733116655152
10231341441141
118a125237878
1238a03944985
1318a7a59ba15
14b2a875752d
15603ec272cb
hex35dd064075

231341441141 has 4 divisors (see below), whose sum is σ = 231795943500. Its totient is φ = 230886938784.

The previous prime is 231341441131. The next prime is 231341441153. The reversal of 231341441141 is 141144143132.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 72722448241 + 158618992900 = 269671^2 + 398270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231341441141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231341441131) 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, 227250416 + ... + 227251433.

It is an arithmetic number, because the mean of its divisors is an integer number (57948985875).

Almost surely, 2231341441141 is an apocalyptic number.

It is an amenable number.

231341441141 is a deficient number, since it is larger than the sum of its proper divisors (454502359).

231341441141 is an equidigital number, since it uses as much as digits as its factorization.

231341441141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454502358.

The product of its digits is 4608, while the sum is 29.

Adding to 231341441141 its reverse (141144143132), we get a palindrome (372485584273).

The spelling of 231341441141 in words is "two hundred thirty-one billion, three hundred forty-one million, four hundred forty-one thousand, one hundred forty-one".

Divisors: 1 509 454501849 231341441141