431034220 has 24 divisors (see below), whose sum is σ = 905588208. Its totient is φ = 172334400.

The previous prime is 431034217. The next prime is 431034229. The reversal of 431034220 is 22430134.

It is a super-2 number, since 2×431034220² = 371580997622016800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431034229) 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, 61075 + ... + 67765.

It is an arithmetic number, because the mean of its divisors is an integer number (37732842).

Almost surely, 2^431034220 is an apocalyptic number.

It is an amenable number.

431034220 is an abundant number, since it is smaller than the sum of its proper divisors (474553988).

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

431034220 is a wasteful number, since it uses less digits than its factorization.

431034220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921 (or 9919 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 431034220 is about 20761.3636353685. The cubic root of 431034220 is about 755.3888732497.

Adding to 431034220 its reverse (22430134), we get a palindrome (453464354).

The spelling of 431034220 in words is "four hundred thirty-one million, thirty-four thousand, two hundred twenty".