213030223031 has 2 divisors, whose sum is σ = 213030223032. Its totient is φ = 213030223030.

The previous prime is 213030223001. The next prime is 213030223033. The reversal of 213030223031 is 130322030312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213030223031 - 2¹⁴ = 213030206647 is a prime.

It is a super-2 number, since 2×213030223031² (a number of 23 digits) contains 22 as substring.

Together with 213030223033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 213030222994 and 213030223012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213030223033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106515111515 + 106515111516.

It is an arithmetic number, because the mean of its divisors is an integer number (106515111516).

Almost surely, 2^213030223031 is an apocalyptic number.

213030223031 is a deficient number, since it is larger than the sum of its proper divisors (1).

213030223031 is an equidigital number, since it uses as much as digits as its factorization.

213030223031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213030223031 its reverse (130322030312), we get a palindrome (343352253343).

The spelling of 213030223031 in words is "two hundred thirteen billion, thirty million, two hundred twenty-three thousand, thirty-one".