431121220413004 has 24 divisors (see below), whose sum is σ = 823178871180288. Its totient is φ = 195933412865040.

The previous prime is 431121220412977. The next prime is 431121220413019. The reversal of 431121220413004 is 400314022121134.

It is a happy number.

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, 769172464 + ... + 769732759.

It is an arithmetic number, because the mean of its divisors is an integer number (34299119632512).

Almost surely, 2^{431121220413004} is an apocalyptic number.

431121220413004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

431121220413004 is a deficient number, since it is larger than the sum of its proper divisors (392057650767284).

431121220413004 is a wasteful number, since it uses less digits than its factorization.

431121220413004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538911605 (or 1538911603 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 431121220413004 its reverse (400314022121134), we get a palindrome (831435242534138).

The spelling of 431121220413004 in words is "four hundred thirty-one trillion, one hundred twenty-one billion, two hundred twenty million, four hundred thirteen thousand, four".