321201400200231 has 16 divisors (see below), whose sum is σ = 428796858309120. Its totient is φ = 213870266867040.

The previous prime is 321201400200211. The next prime is 321201400200253. The reversal of 321201400200231 is 132002004102123.

It is not a de Polignac number, because 321201400200231 - 2³⁹ = 320651644386343 is a prime.

It is a super-2 number, since 2×321201400200231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321201400200198 and 321201400200207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321201400200211) 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, 12390075 + ... + 28211996.

It is an arithmetic number, because the mean of its divisors is an integer number (26799803644320).

Almost surely, 2^{321201400200231} is an apocalyptic number.

321201400200231 is a deficient number, since it is larger than the sum of its proper divisors (107595458108889).

321201400200231 is a wasteful number, since it uses less digits than its factorization.

321201400200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40605326.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 321201400200231 its reverse (132002004102123), we get a palindrome (453203404302354).

The spelling of 321201400200231 in words is "three hundred twenty-one trillion, two hundred one billion, four hundred million, two hundred thousand, two hundred thirty-one".