321421041400203 has 6 divisors (see below), whose sum is σ = 464274837578084. Its totient is φ = 214280694266796.

The previous prime is 321421041400141. The next prime is 321421041400231. The reversal of 321421041400203 is 302004140124123.

321421041400203 is a `hidden beast` number, since 3 + 2 + 1 + 4 + 2 + 10 + 41 + 400 + 203 = 666.

It is not a de Polignac number, because 321421041400203 - 2⁶ = 321421041400139 is a prime.

It is a super-2 number, since 2×321421041400203² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321421041400253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17856724522225 + ... + 17856724522242.

Almost surely, 2^{321421041400203} is an apocalyptic number.

321421041400203 is a deficient number, since it is larger than the sum of its proper divisors (142853796177881).

321421041400203 is a wasteful number, since it uses less digits than its factorization.

321421041400203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35713449044473 (or 35713449044470 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 321421041400203 its reverse (302004140124123), we get a palindrome (623425181524326).

The spelling of 321421041400203 in words is "three hundred twenty-one trillion, four hundred twenty-one billion, forty-one million, four hundred thousand, two hundred three".