2431557328 has 20 divisors (see below), whose sum is σ = 4988268900. Its totient is φ = 1144262144.

The previous prime is 2431557313. The next prime is 2431557343. The reversal of 2431557328 is 8237551342.

2431557328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2431557313) and next prime (2431557343).

It can be written as a sum of positive squares in 2 ways, for example, as 754491024 + 1677066304 = 27468^2 + 40952^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4469503 + ... + 4470046.

It is an arithmetic number, because the mean of its divisors is an integer number (249413445).

Almost surely, 2^2431557328 is an apocalyptic number.

It is an amenable number.

2431557328 is an abundant number, since it is smaller than the sum of its proper divisors (2556711572).

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

2431557328 is a wasteful number, since it uses less digits than its factorization.

2431557328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939574 (or 8939568 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 2431557328 is about 49310.8236394405. The cubic root of 2431557328 is about 1344.7085649847.

The spelling of 2431557328 in words is "two billion, four hundred thirty-one million, five hundred fifty-seven thousand, three hundred twenty-eight".