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231312332321323 = 11163129008551211
BaseRepresentation
bin110100100110000010011001…
…011001100111001000101011
31010100000020120011010002210021
4310212002121121213020223
5220304310124033240243
62135543230220501311
766502523141466121
oct6446023131471053
91110006504102707
10231312332321323
1167781011328090
1221b39a680aa837
139c0b8757635c6
144119810361911
151bb1e707a46ed
hexd2609966722b

231312332321323 has 8 divisors (see below), whose sum is σ = 253888828785216. Its totient is φ = 208993852960200.

The previous prime is 231312332321309. The next prime is 231312332321333. The reversal of 231312332321323 is 323123233213132.

It is a happy number.

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

It is not a de Polignac number, because 231312332321323 - 225 = 231312298766891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231312332321333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64504273813 + ... + 64504277398.

It is an arithmetic number, because the mean of its divisors is an integer number (31736103598152).

Almost surely, 2231312332321323 is an apocalyptic number.

231312332321323 is a deficient number, since it is larger than the sum of its proper divisors (22576496463893).

231312332321323 is a wasteful number, since it uses less digits than its factorization.

231312332321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129008551385.

The product of its digits is 69984, while the sum is 34.

Adding to 231312332321323 its reverse (323123233213132), we get a palindrome (554435565534455).

The spelling of 231312332321323 in words is "two hundred thirty-one trillion, three hundred twelve billion, three hundred thirty-two million, three hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 11 163 1793 129008551211 1419094063321 21028393847393 231312332321323