431441035320 has 128 divisors (see below), whose sum is σ = 1340007624000. Its totient is φ = 110996336640.

The previous prime is 431441035247. The next prime is 431441035373. The reversal of 431441035320 is 23530144134.

It is a super-2 number, since 2×431441035320² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4437630 + ... + 4533810.

Almost surely, 2^431441035320 is an apocalyptic number.

431441035320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431441035320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670003812000).

431441035320 is an abundant number, since it is smaller than the sum of its proper divisors (908566588680).

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

431441035320 is a wasteful number, since it uses less digits than its factorization.

431441035320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97513 (or 97509 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 431441035320 its reverse (23530144134), we get a palindrome (454971179454).

The spelling of 431441035320 in words is "four hundred thirty-one billion, four hundred forty-one million, thirty-five thousand, three hundred twenty".