231421413432 has 64 divisors (see below), whose sum is σ = 658590600960. Its totient is φ = 67078668800.

The previous prime is 231421413427. The next prime is 231421413463. The reversal of 231421413432 is 234314124132.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 231421413432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19050369 + ... + 19062512.

It is an arithmetic number, because the mean of its divisors is an integer number (10290478140).

Almost surely, 2^231421413432 is an apocalyptic number.

231421413432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231421413432 is an abundant number, since it is smaller than the sum of its proper divisors (427169187528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231421413432 is a wasteful number, since it uses less digits than its factorization.

231421413432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38112924 (or 38112920 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 231421413432 its reverse (234314124132), we get a palindrome (465735537564).

The spelling of 231421413432 in words is "two hundred thirty-one billion, four hundred twenty-one million, four hundred thirteen thousand, four hundred thirty-two".