1230431430 has 64 divisors (see below), whose sum is σ = 3106771200. Its totient is φ = 311418240.

The previous prime is 1230431429. The next prime is 1230431441. The reversal of 1230431430 is 341340321.

It is a junction number, because it is equal to n+sod(n) for n = 1230431397 and 1230431406.

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, 39345 + ... + 63315.

It is an arithmetic number, because the mean of its divisors is an integer number (48543300).

Almost surely, 2^1230431430 is an apocalyptic number.

1230431430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230431430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553385600).

1230431430 is an abundant number, since it is smaller than the sum of its proper divisors (1876339770).

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

1230431430 is a wasteful number, since it uses less digits than its factorization.

1230431430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24069.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1230431430 is about 35077.5060401962. The cubic root of 1230431430 is about 1071.5665265666.

Adding to 1230431430 its reverse (341340321), we get a palindrome (1571771751).

It can be divided in two parts, 12304 and 31430, that added together give a palindrome (43734).

The spelling of 1230431430 in words is "one billion, two hundred thirty million, four hundred thirty-one thousand, four hundred thirty".