431083380 has 144 divisors (see below), whose sum is σ = 1512241920. Its totient is φ = 90945792.

The previous prime is 431083357. The next prime is 431083417. The reversal of 431083380 is 83380134.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32581 + ... + 43859.

It is an arithmetic number, because the mean of its divisors is an integer number (10501680).

Almost surely, 2^431083380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431083380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756120960).

431083380 is an abundant number, since it is smaller than the sum of its proper divisors (1081158540).

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

431083380 is a wasteful number, since it uses less digits than its factorization.

431083380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318 (or 11309 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 431083380 is about 20762.5475315531. The cubic root of 431083380 is about 755.4175898446.

The spelling of 431083380 in words is "four hundred thirty-one million, eighty-three thousand, three hundred eighty".