2431397530 has 16 divisors (see below), whose sum is σ = 4399432704. Its totient is φ = 967466320.

The previous prime is 2431397489. The next prime is 2431397569. The reversal of 2431397530 is 357931342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2431397530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634582 + ... + 638401.

It is an arithmetic number, because the mean of its divisors is an integer number (274964544).

Almost surely, 2^2431397530 is an apocalyptic number.

2431397530 is a deficient number, since it is larger than the sum of its proper divisors (1968035174).

2431397530 is a wasteful number, since it uses less digits than its factorization.

2431397530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273181.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 2431397530 is about 49309.2032991814. The cubic root of 2431397530 is about 1344.6791069848.

The spelling of 2431397530 in words is "two billion, four hundred thirty-one million, three hundred ninety-seven thousand, five hundred thirty".