231514005404420 has 24 divisors (see below), whose sum is σ = 486181043064024. Its totient is φ = 92605291358976.

The previous prime is 231514005404417. The next prime is 231514005404449. The reversal of 231514005404420 is 24404500415132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 197404267204 + 231316601137216 = 444302^2 + 15209096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13269497 + ... + 25280576.

It is an arithmetic number, because the mean of its divisors is an integer number (20257543461001).

Almost surely, 2^{231514005404420} is an apocalyptic number.

231514005404420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231514005404420 is an abundant number, since it is smaller than the sum of its proper divisors (254667037659604).

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

231514005404420 is a wasteful number, since it uses less digits than its factorization.

231514005404420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38850359 (or 38850357 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 231514005404420 its reverse (24404500415132), we get a palindrome (255918505819552).

The spelling of 231514005404420 in words is "two hundred thirty-one trillion, five hundred fourteen billion, five million, four hundred four thousand, four hundred twenty".