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231342231322 = 22812437168913
BaseRepresentation
bin1101011101110100010…
…0100100111100011010
3211010010122020000002201
43113131010210330122
512242242102400242
6254135510520414
722466606343466
oct3273504447432
9733118200081
10231342231322
118a125727514
1238a0406610a
1318a7a7b7597
14b2a88c14a6
15603ed314b7
hex35dd124f1a

231342231322 has 16 divisors (see below), whose sum is σ = 348393232872. Its totient is φ = 115211496960.

The previous prime is 231342231287. The next prime is 231342231413. The reversal of 231342231322 is 223132243132.

It can be written as a sum of positive squares in 4 ways, for example, as 228999574521 + 2342656801 = 478539^2 + 48401^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285138 + ... + 1454050.

Almost surely, 2231342231322 is an apocalyptic number.

231342231322 is a deficient number, since it is larger than the sum of its proper divisors (117051001550).

231342231322 is a wasteful number, since it uses less digits than its factorization.

231342231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171633.

The product of its digits is 10368, while the sum is 28.

Adding to 231342231322 its reverse (223132243132), we get a palindrome (454474474454).

The spelling of 231342231322 in words is "two hundred thirty-one billion, three hundred forty-two million, two hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 281 562 2437 4874 168913 337826 684797 1369594 47464553 94929106 411640981 823281962 115671115661 231342231322