321213503411 has 2 divisors, whose sum is σ = 321213503412. Its totient is φ = 321213503410.

The previous prime is 321213503267. The next prime is 321213503419. The reversal of 321213503411 is 114305312123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321213503411 - 2¹⁰ = 321213502387 is a prime.

It is a super-2 number, since 2×321213503411² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321213503419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160606751705 + 160606751706.

It is an arithmetic number, because the mean of its divisors is an integer number (160606751706).

Almost surely, 2^321213503411 is an apocalyptic number.

321213503411 is a deficient number, since it is larger than the sum of its proper divisors (1).

321213503411 is an equidigital number, since it uses as much as digits as its factorization.

321213503411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 321213503411 its reverse (114305312123), we get a palindrome (435518815534).

The spelling of 321213503411 in words is "three hundred twenty-one billion, two hundred thirteen million, five hundred three thousand, four hundred eleven".