431500121322 has 16 divisors (see below), whose sum is σ = 863007015072. Its totient is φ = 143832245040.

The previous prime is 431500121303. The next prime is 431500121363. The reversal of 431500121322 is 223121005134.

It is a junction number, because it is equal to n+sod(n) for n = 431500121292 and 431500121301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981228 + ... + 1351224.

It is an arithmetic number, because the mean of its divisors is an integer number (53937938442).

Almost surely, 2^431500121322 is an apocalyptic number.

431500121322 is an abundant number, since it is smaller than the sum of its proper divisors (431506893750).

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

431500121322 is a wasteful number, since it uses less digits than its factorization.

431500121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564373.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 431500121322 its reverse (223121005134), we get a palindrome (654621126456).

The spelling of 431500121322 in words is "four hundred thirty-one billion, five hundred million, one hundred twenty-one thousand, three hundred twenty-two".