213132321071 has 2 divisors, whose sum is σ = 213132321072. Its totient is φ = 213132321070.

The previous prime is 213132320993. The next prime is 213132321113. The reversal of 213132321071 is 170123231312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213132321071 - 2¹⁰ = 213132320047 is a prime.

It is a super-2 number, since 2×213132321071² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213132321071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213132321371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106566160535 + 106566160536.

It is an arithmetic number, because the mean of its divisors is an integer number (106566160536).

Almost surely, 2^213132321071 is an apocalyptic number.

213132321071 is a deficient number, since it is larger than the sum of its proper divisors (1).

213132321071 is an equidigital number, since it uses as much as digits as its factorization.

213132321071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 213132321071 its reverse (170123231312), we get a palindrome (383255552383).

The spelling of 213132321071 in words is "two hundred thirteen billion, one hundred thirty-two million, three hundred twenty-one thousand, seventy-one".