1230431012 has 6 divisors (see below), whose sum is σ = 2153254278. Its totient is φ = 615215504.

The previous prime is 1230431011. The next prime is 1230431021. The reversal of 1230431012 is 2101340321.

It can be written as a sum of positive squares in only one way, i.e., 1059762916 + 170668096 = 32554^2 + 13064^2 .

It is not an unprimeable number, because it can be changed into a prime (1230431011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153803873 + ... + 153803880.

It is an arithmetic number, because the mean of its divisors is an integer number (358875713).

Almost surely, 2^1230431012 is an apocalyptic number.

It is an amenable number.

1230431012 is a deficient number, since it is larger than the sum of its proper divisors (922823266).

1230431012 is a wasteful number, since it uses less digits than its factorization.

1230431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307607757 (or 307607755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1230431012 is about 35077.5000819614. The cubic root of 1230431012 is about 1071.5664052230.

Adding to 1230431012 its reverse (2101340321), we get a palindrome (3331771333).

The spelling of 1230431012 in words is "one billion, two hundred thirty million, four hundred thirty-one thousand, twelve".