321440131030203 has 12 divisors (see below), whose sum is σ = 464304306616488. Its totient is φ = 214292546012160.

The previous prime is 321440131030159. The next prime is 321440131030253. The reversal of 321440131030203 is 302030131044123.

It is a happy number.

321440131030203 is a `hidden beast` number, since 3 + 2 + 1 + 4 + 40 + 1 + 310 + 302 + 0 + 3 = 666.

It is not a de Polignac number, because 321440131030203 - 2⁹ = 321440131029691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321440131030253) 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, 70558150 + ... + 74975547.

It is an arithmetic number, because the mean of its divisors is an integer number (38692025551374).

Almost surely, 2^{321440131030203} is an apocalyptic number.

321440131030203 is a deficient number, since it is larger than the sum of its proper divisors (142864175586285).

321440131030203 is a wasteful number, since it uses less digits than its factorization.

321440131030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145779114 (or 145779111 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 321440131030203 its reverse (302030131044123), we get a palindrome (623470262074326).

The spelling of 321440131030203 in words is "three hundred twenty-one trillion, four hundred forty billion, one hundred thirty-one million, thirty thousand, two hundred three".