431321231304102 has 48 divisors (see below), whose sum is σ = 941828574749040. Its totient is φ = 131509921685184.

The previous prime is 431321231304049. The next prime is 431321231304113. The reversal of 431321231304102 is 201403132123134.

It is a self number, because there is not a number n which added to its sum of digits gives 431321231304102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3433258033 + ... + 3433383660.

It is an arithmetic number, because the mean of its divisors is an integer number (19621428640605).

Almost surely, 2^{431321231304102} is an apocalyptic number.

431321231304102 is an abundant number, since it is smaller than the sum of its proper divisors (510507343444938).

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

431321231304102 is a wasteful number, since it uses less digits than its factorization.

431321231304102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866641765 (or 6866641746 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 431321231304102 its reverse (201403132123134), we get a palindrome (632724363427236).

The spelling of 431321231304102 in words is "four hundred thirty-one trillion, three hundred twenty-one billion, two hundred thirty-one million, three hundred four thousand, one hundred two".