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231144344122 = 2355093254729
BaseRepresentation
bin1101011101000101000…
…1101100101000111010
3211002121211212021220011
43113101101230220322
512241340423002442
6254104121252134
722461654336046
oct3272121545072
9732554767804
10231144344122
118a033a5797a
123896993404a
1318a487bcb73
14b28a4cd026
15602c793117
hex35d146ca3a

231144344122 has 8 divisors (see below), whose sum is σ = 346726386900. Its totient is φ = 115568881824.

The previous prime is 231144344113. The next prime is 231144344141. The reversal of 231144344122 is 221443441132.

It is a happy number.

231144344122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 216830853801 + 14313490321 = 465651^2 + 119639^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556347 + ... + 1698382.

Almost surely, 2231144344122 is an apocalyptic number.

231144344122 is a deficient number, since it is larger than the sum of its proper divisors (115582042778).

231144344122 is a wasteful number, since it uses less digits than its factorization.

231144344122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290240.

The product of its digits is 18432, while the sum is 31.

Adding to 231144344122 its reverse (221443441132), we get a palindrome (452587785254).

The spelling of 231144344122 in words is "two hundred thirty-one billion, one hundred forty-four million, three hundred forty-four thousand, one hundred twenty-two".

Divisors: 1 2 35509 71018 3254729 6509458 115572172061 231144344122