431130000 has 200 divisors, whose sum is σ = 1591340608. Its totient is φ = 98496000.

The previous prime is 431129987. The next prime is 431130001. The reversal of 431130000 is 31134.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (431130001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 208974 + ... + 211026.

Almost surely, 2^431130000 is an apocalyptic number.

431130000 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 431130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795670304).

431130000 is an abundant number, since it is smaller than the sum of its proper divisors (1160210608).

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

431130000 is a wasteful number, since it uses less digits than its factorization.

431130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 431130000 is about 20763.6701958011. The cubic root of 431130000 is about 755.4448206931. Note that the first 3 decimals are identical.

Adding to 431130000 its reverse (31134), we get a palindrome (431161134).

The spelling of 431130000 in words is "four hundred thirty-one million, one hundred thirty thousand".