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231103031321302 = 2718191200880553
BaseRepresentation
bin110100100010111111011110…
…000101101010001011010110
31010022021020022121100122212121
4310202333132011222023112
5220242343002004240202
62135303133354010154
766451433361365020
oct6442773605521326
91108236277318777
10231103031321302
1167700277378a08
1221b0539571695a
139bc4bcb50612a
14410d636cb5010
151bab7c09e8537
hexd22fde16a2d6

231103031321302 has 16 divisors (see below), whose sum is σ = 398365446259872. Its totient is φ = 98496950996160.

The previous prime is 231103031321299. The next prime is 231103031321317. The reversal of 231103031321302 is 203123130301132.

It is a super-2 number, since 2×2311030313213022 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 45600437743 + ... + 45600442810.

It is an arithmetic number, because the mean of its divisors is an integer number (24897840391242).

Almost surely, 2231103031321302 is an apocalyptic number.

231103031321302 is a deficient number, since it is larger than the sum of its proper divisors (167262414938570).

231103031321302 is a wasteful number, since it uses less digits than its factorization.

231103031321302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91200880743.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 231103031321302 its reverse (203123130301132), we get a palindrome (434226161622434).

The spelling of 231103031321302 in words is "two hundred thirty-one trillion, one hundred three billion, thirty-one million, three hundred twenty-one thousand, three hundred two".

Divisors: 1 2 7 14 181 362 1267 2534 91200880553 182401761106 638406163871 1276812327742 16507359380093 33014718760186 115551515660651 231103031321302