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231342403141 = 435380055887
BaseRepresentation
bin1101011101110100010…
…1001110111001000101
3211010010122112201210101
43113131011032321011
512242242123400031
6254135514324101
722466610660433
oct3273505167105
9733118481711
10231342403141
118a125834613
1238a04129631
1318a7a847855
14b2a8927d53
15603ed67361
hex35dd14ee45

231342403141 has 4 divisors (see below), whose sum is σ = 236722459072. Its totient is φ = 225962347212.

The previous prime is 231342403139. The next prime is 231342403189. The reversal of 231342403141 is 141304243132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231342403141 - 21 = 231342403139 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 (231342404141) 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, 2690027901 + ... + 2690027986.

It is an arithmetic number, because the mean of its divisors is an integer number (59180614768).

Almost surely, 2231342403141 is an apocalyptic number.

It is an amenable number.

231342403141 is a deficient number, since it is larger than the sum of its proper divisors (5380055931).

231342403141 is an equidigital number, since it uses as much as digits as its factorization.

231342403141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5380055930.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 231342403141 its reverse (141304243132), we get a palindrome (372646646273).

The spelling of 231342403141 in words is "two hundred thirty-one billion, three hundred forty-two million, four hundred three thousand, one hundred forty-one".

Divisors: 1 43 5380055887 231342403141