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BaseRepresentation
bin1100011001111010001…
…0011000100010001111
3202101002020002211021202
43012132202120202033
511442423440223043
6241523003420115
721253100255636
oct3063642304217
9671066084252
10213113211023
1182420940789
123537722463b
1317133cab93b
14a4598ba51d
1558247da1b8
hex319e89888f

213113211023 has 2 divisors, whose sum is σ = 213113211024. Its totient is φ = 213113211022.

The previous prime is 213113211019. The next prime is 213113211037. The reversal of 213113211023 is 320112311312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213113211023 - 22 = 213113211019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213113210986 and 213113211004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213113211083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556605511 + 106556605512.

It is an arithmetic number, because the mean of its divisors is an integer number (106556605512).

Almost surely, 2213113211023 is an apocalyptic number.

213113211023 is a deficient number, since it is larger than the sum of its proper divisors (1).

213113211023 is an equidigital number, since it uses as much as digits as its factorization.

213113211023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213113211023 its reverse (320112311312), we get a palindrome (533225522335).

The spelling of 213113211023 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred eleven thousand, twenty-three".