314243403221 has 16 divisors (see below), whose sum is σ = 346846320000. Its totient is φ = 282332318400.

The previous prime is 314243403197. The next prime is 314243403233. The reversal of 314243403221 is 122304342413.

It is not a de Polignac number, because 314243403221 - 2³⁸ = 39365496277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314243103221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155570 + ... + 807891.

It is an arithmetic number, because the mean of its divisors is an integer number (21677895000).

Almost surely, 2^314243403221 is an apocalyptic number.

It is an amenable number.

314243403221 is a deficient number, since it is larger than the sum of its proper divisors (32602916779).

314243403221 is a wasteful number, since it uses less digits than its factorization.

314243403221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963820.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 314243403221 its reverse (122304342413), we get a palindrome (436547745634).

The spelling of 314243403221 in words is "three hundred fourteen billion, two hundred forty-three million, four hundred three thousand, two hundred twenty-one".