431103020 has 24 divisors (see below), whose sum is σ = 906401664. Its totient is φ = 172234496.

The previous prime is 431102981. The next prime is 431103031. The reversal of 431103020 is 20301134.

It is a junction number, because it is equal to n+sod(n) for n = 431102986 and 431103004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4772 + ... + 29748.

It is an arithmetic number, because the mean of its divisors is an integer number (37766736).

Almost surely, 2^431103020 is an apocalyptic number.

It is an amenable number.

431103020 is an abundant number, since it is smaller than the sum of its proper divisors (475298644).

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

431103020 is a wasteful number, since it uses less digits than its factorization.

431103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25849 (or 25847 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 431103020 is about 20763.0204931749. The cubic root of 431103020 is about 755.4290618528.

Adding to 431103020 its reverse (20301134), we get a palindrome (451404154).

The spelling of 431103020 in words is "four hundred thirty-one million, one hundred three thousand, twenty".