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3121320102223 = 31229439684477
BaseRepresentation
bin101101011010111101001…
…011010000100101001111
3102001101200011110000202111
4231122331023100211033
5402114430421232343
610345525322204451
7441336136053031
oct55327513204517
912041604400674
103121320102223
11aa3820909174
12424b23953727
1319845437003b
14ab1036b3c51
15562d555ac9d
hex2d6bd2d094f

3121320102223 has 8 divisors (see below), whose sum is σ = 3236077758080. Its totient is φ = 3007441815840.

The previous prime is 3121320102193. The next prime is 3121320102259. The reversal of 3121320102223 is 3222010231213.

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 3121320102223 - 237 = 2983881148751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3121320102194 and 3121320102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121320102023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219835140 + ... + 219849337.

It is an arithmetic number, because the mean of its divisors is an integer number (404509719760).

Almost surely, 23121320102223 is an apocalyptic number.

3121320102223 is a deficient number, since it is larger than the sum of its proper divisors (114757655857).

3121320102223 is a wasteful number, since it uses less digits than its factorization.

3121320102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439684737.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3121320102223 its reverse (3222010231213), we get a palindrome (6343330333436).

The spelling of 3121320102223 in words is "three trillion, one hundred twenty-one billion, three hundred twenty million, one hundred two thousand, two hundred twenty-three".

Divisors: 1 31 229 7099 439684477 13630218787 100687745233 3121320102223