321214331204 has 36 divisors (see below), whose sum is σ = 608890684500. Its totient is φ = 148204293120.

The previous prime is 321214331099. The next prime is 321214331209. The reversal of 321214331204 is 402133412123.

It can be written as a sum of positive squares in 6 ways, for example, as 206753908804 + 114460422400 = 454702^2 + 338320^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (321214331209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2033672 + ... + 2185920.

It is an arithmetic number, because the mean of its divisors is an integer number (16913630125).

Almost surely, 2^321214331204 is an apocalyptic number.

It is an amenable number.

321214331204 is a deficient number, since it is larger than the sum of its proper divisors (287676353296).

321214331204 is a wasteful number, since it uses less digits than its factorization.

321214331204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155400 (or 155385 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 321214331204 its reverse (402133412123), we get a palindrome (723347743327).

The spelling of 321214331204 in words is "three hundred twenty-one billion, two hundred fourteen million, three hundred thirty-one thousand, two hundred four".