431053221530 has 32 divisors (see below), whose sum is σ = 801224759808. Its totient is φ = 166796798400.

The previous prime is 431053221421. The next prime is 431053221563. The reversal of 431053221530 is 35122350134.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 431053221493 and 431053221502.

It is an unprimeable number.

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, 572600 + ... + 1090860.

It is an arithmetic number, because the mean of its divisors is an integer number (25038273744).

Almost surely, 2^431053221530 is an apocalyptic number.

431053221530 is a deficient number, since it is larger than the sum of its proper divisors (370171538278).

431053221530 is a wasteful number, since it uses less digits than its factorization.

431053221530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520982.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 431053221530 its reverse (35122350134), we get a palindrome (466175571664).

The spelling of 431053221530 in words is "four hundred thirty-one billion, fifty-three million, two hundred twenty-one thousand, five hundred thirty".