421603403022231 has 32 divisors (see below), whose sum is σ = 593944641239040. Its totient is φ = 265475726988384.

The previous prime is 421603403022229. The next prime is 421603403022239. The reversal of 421603403022231 is 132220304306124.

It is not a de Polignac number, because 421603403022231 - 2¹ = 421603403022229 is a prime.

It is a super-2 number, since 2×421603403022231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421603403022192 and 421603403022201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421603403022239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7145061 + ... + 29904158.

It is an arithmetic number, because the mean of its divisors is an integer number (18560770038720).

Almost surely, 2^{421603403022231} is an apocalyptic number.

421603403022231 is a deficient number, since it is larger than the sum of its proper divisors (172341238216809).

421603403022231 is a wasteful number, since it uses less digits than its factorization.

421603403022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37051315.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 421603403022231 its reverse (132220304306124), we get a palindrome (553823707328355).

The spelling of 421603403022231 in words is "four hundred twenty-one trillion, six hundred three billion, four hundred three million, twenty-two thousand, two hundred thirty-one".