213313331123 has 2 divisors, whose sum is σ = 213313331124. Its totient is φ = 213313331122.

The previous prime is 213313331083. The next prime is 213313331141. The reversal of 213313331123 is 321133313312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213313331123 - 2³⁰ = 212239589299 is a prime.

It is a super-2 number, since 2×213313331123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213313331092 and 213313331101.

It is not a weakly prime, because it can be changed into another prime (213313330123) 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 as a sum of consecutive naturals, namely, 106656665561 + 106656665562.

It is an arithmetic number, because the mean of its divisors is an integer number (106656665562).

Almost surely, 2^213313331123 is an apocalyptic number.

213313331123 is a deficient number, since it is larger than the sum of its proper divisors (1).

213313331123 is an equidigital number, since it uses as much as digits as its factorization.

213313331123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 26.

Adding to 213313331123 its reverse (321133313312), we get a palindrome (534446644435).

The spelling of 213313331123 in words is "two hundred thirteen billion, three hundred thirteen million, three hundred thirty-one thousand, one hundred twenty-three".