424131432321 has 16 divisors (see below), whose sum is σ = 585273665088. Its totient is φ = 273013939200.

The previous prime is 424131432313. The next prime is 424131432341. The reversal of 424131432321 is 123234131424.

It is not a de Polignac number, because 424131432321 - 2³ = 424131432313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424131432341) 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, 17762415 + ... + 17786276.

It is an arithmetic number, because the mean of its divisors is an integer number (36579604068).

Almost surely, 2^424131432321 is an apocalyptic number.

424131432321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

424131432321 is a deficient number, since it is larger than the sum of its proper divisors (161142232767).

424131432321 is a wasteful number, since it uses less digits than its factorization.

424131432321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35548832.

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

Adding to 424131432321 its reverse (123234131424), we get a palindrome (547365563745).

The spelling of 424131432321 in words is "four hundred twenty-four billion, one hundred thirty-one million, four hundred thirty-two thousand, three hundred twenty-one".