431340030 has 96 divisors (see below), whose sum is σ = 1229230080. Its totient is φ = 104072640.

The previous prime is 431339977. The next prime is 431340047. The reversal of 431340030 is 30043134.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 431339985 and 431340012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235699 + ... + 237521.

It is an arithmetic number, because the mean of its divisors is an integer number (12804480).

Almost surely, 2^431340030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431340030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614615040).

431340030 is an abundant number, since it is smaller than the sum of its proper divisors (797890050).

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

431340030 is a wasteful number, since it uses less digits than its factorization.

431340030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 2083 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 431340030 is about 20768.7272118443. The cubic root of 431340030 is about 755.5674753582.

Adding to 431340030 its reverse (30043134), we get a palindrome (461383164).

The spelling of 431340030 in words is "four hundred thirty-one million, three hundred forty thousand, thirty".