421431130 has 16 divisors (see below), whose sum is σ = 758813184. Its totient is φ = 168519760.

The previous prime is 421431119. The next prime is 421431137. The reversal of 421431130 is 31134124.

It is a junction number, because it is equal to n+sod(n) for n = 421431098 and 421431107.

It is not an unprimeable number, because it can be changed into a prime (421431137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50859 + ... + 58561.

It is an arithmetic number, because the mean of its divisors is an integer number (47425824).

Almost surely, 2^421431130 is an apocalyptic number.

421431130 is a deficient number, since it is larger than the sum of its proper divisors (337382054).

421431130 is a wasteful number, since it uses less digits than its factorization.

421431130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13181.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 421431130 is about 20528.7878356224. The cubic root of 421431130 is about 749.7368736227.

Adding to 421431130 its reverse (31134124), we get a palindrome (452565254).

It can be divided in two parts, 4214 and 31130, that added together give a square (35344 = 188²).

The spelling of 421431130 in words is "four hundred twenty-one million, four hundred thirty-one thousand, one hundred thirty".