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231321103319 = 13117471010767
BaseRepresentation
bin1101011101101111001…
…1111110101111010111
3211010002011110120221002
43113123303332233113
512242221200301234
6254133434013515
722466231636015
oct3273363765727
9733064416832
10231321103319
118a114806759
12389b8b7729b
1318a762ca8c7
14b2a5b818b5
15603d05b27e
hex35dbcfebd7

231321103319 has 8 divisors (see below), whose sum is σ = 233220565248. Its totient is φ = 229423666680.

The previous prime is 231321103283. The next prime is 231321103331. The reversal of 231321103319 is 913301123132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 231321103319 - 220 = 231320054743 is a prime.

It is a super-3 number, since 3×2313211033193 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231321103291 and 231321103300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231321100319) 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, 276527 + ... + 734240.

It is an arithmetic number, because the mean of its divisors is an integer number (29152570656).

Almost surely, 2231321103319 is an apocalyptic number.

231321103319 is a deficient number, since it is larger than the sum of its proper divisors (1899461929).

231321103319 is a wasteful number, since it uses less digits than its factorization.

231321103319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012645.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 231321103319 in words is "two hundred thirty-one billion, three hundred twenty-one million, one hundred three thousand, three hundred nineteen".

Divisors: 1 131 1747 228857 1010767 132410477 1765809949 231321103319