Search a number
-
+
231222311344342 = 2457072529397153
BaseRepresentation
bin110100100100101110100011…
…101110110101100011010110
31010022200122012102202122122201
4310210232203232311203112
5220301321243201004332
62135434021410515114
766463155266014153
oct6444564356654326
91108618172678581
10231222311344342
116774691688974a
1221b24524295a9a
139c0322a4a8316
14411531076322a
151bae9526825e7
hexd24ba3bb58d6

231222311344342 has 8 divisors (see below), whose sum is σ = 346841055345096. Its totient is φ = 115608626229312.

The previous prime is 231222311344291. The next prime is 231222311344351. The reversal of 231222311344342 is 243443113222132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264607163 + ... + 1264789990.

It is an arithmetic number, because the mean of its divisors is an integer number (43355131918137).

Almost surely, 2231222311344342 is an apocalyptic number.

231222311344342 is a deficient number, since it is larger than the sum of its proper divisors (115618744000754).

231222311344342 is a wasteful number, since it uses less digits than its factorization.

231222311344342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529442862.

The product of its digits is 165888, while the sum is 37.

Adding to 231222311344342 its reverse (243443113222132), we get a palindrome (474665424566474).

The spelling of 231222311344342 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, three hundred eleven million, three hundred forty-four thousand, three hundred forty-two".

Divisors: 1 2 45707 91414 2529397153 5058794306 115611155672171 231222311344342