421200310331 has 16 divisors (see below), whose sum is σ = 447245255808. Its totient is φ = 395297280000.

The previous prime is 421200310313. The next prime is 421200310337. The reversal of 421200310331 is 133013002124.

It is a cyclic number.

It is not a de Polignac number, because 421200310331 - 2¹⁰ = 421200309307 is a prime.

It is a super-2 number, since 2×421200310331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421200310337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15028331 + ... + 15056331.

It is an arithmetic number, because the mean of its divisors is an integer number (27952828488).

Almost surely, 2^421200310331 is an apocalyptic number.

421200310331 is a deficient number, since it is larger than the sum of its proper divisors (26044945477).

421200310331 is a wasteful number, since it uses less digits than its factorization.

421200310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30502.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 421200310331 its reverse (133013002124), we get a palindrome (554213312455).

The spelling of 421200310331 in words is "four hundred twenty-one billion, two hundred million, three hundred ten thousand, three hundred thirty-one".