321322521314 has 4 divisors (see below), whose sum is σ = 481983781974. Its totient is φ = 160661260656.

The previous prime is 321322521307. The next prime is 321322521319. The reversal of 321322521314 is 413125223123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 413125223123 = 1613 ⋅256122271.

It can be written as a sum of positive squares in only one way, i.e., 301162781089 + 20159740225 = 548783^2 + 141985^2 .

It is not an unprimeable number, because it can be changed into a prime (321322521319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80330630327 + ... + 80330630330.

Almost surely, 2^321322521314 is an apocalyptic number.

321322521314 is a deficient number, since it is larger than the sum of its proper divisors (160661260660).

321322521314 is a wasteful number, since it uses less digits than its factorization.

321322521314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160661260659.

The product of its digits is 8640, while the sum is 29.

Adding to 321322521314 its reverse (413125223123), we get a palindrome (734447744437).

The spelling of 321322521314 in words is "three hundred twenty-one billion, three hundred twenty-two million, five hundred twenty-one thousand, three hundred fourteen".