431513215243320 has 256 divisors, whose sum is σ = 1520863769364480. Its totient is φ = 95910325862400.

The previous prime is 431513215243307. The next prime is 431513215243543. The reversal of 431513215243320 is 23342512315134.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45203121 + ... + 53910560.

It is an arithmetic number, because the mean of its divisors is an integer number (5940874099080).

Almost surely, 2^{431513215243320} is an apocalyptic number.

431513215243320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431513215243320 is an abundant number, since it is smaller than the sum of its proper divisors (1089350554121160).

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

431513215243320 is a wasteful number, since it uses less digits than its factorization.

431513215243320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99113846 (or 99113842 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 431513215243320 its reverse (23342512315134), we get a palindrome (454855727558454).

The spelling of 431513215243320 in words is "four hundred thirty-one trillion, five hundred thirteen billion, two hundred fifteen million, two hundred forty-three thousand, three hundred twenty".