321032021113 has 2 divisors, whose sum is σ = 321032021114. Its totient is φ = 321032021112.

The previous prime is 321032021071. The next prime is 321032021143. The reversal of 321032021113 is 311120230123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173766423609 + 147265597504 = 416853^2 + 383752^2 .

It is a cyclic number.

It is not a de Polignac number, because 321032021113 - 2¹³ = 321032012921 is a prime.

It is not a weakly prime, because it can be changed into another prime (321032021143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160516010556 + 160516010557.

It is an arithmetic number, because the mean of its divisors is an integer number (160516010557).

Almost surely, 2^321032021113 is an apocalyptic number.

It is an amenable number.

321032021113 is a deficient number, since it is larger than the sum of its proper divisors (1).

321032021113 is an equidigital number, since it uses as much as digits as its factorization.

321032021113 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 19.

Adding to 321032021113 its reverse (311120230123), we get a palindrome (632152251236).

The spelling of 321032021113 in words is "three hundred twenty-one billion, thirty-two million, twenty-one thousand, one hundred thirteen".