2531432120 has 48 divisors (see below), whose sum is σ = 6625641240. Its totient is φ = 867918912.

The previous prime is 2531432119. The next prime is 2531432129. The reversal of 2531432120 is 212341352.

2531432120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531432129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643814 + ... + 647733.

Almost surely, 2^2531432120 is an apocalyptic number.

2531432120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531432120 is an abundant number, since it is smaller than the sum of its proper divisors (4094209120).

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

2531432120 is a wasteful number, since it uses less digits than its factorization.

2531432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291572 (or 1291561 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2531432120 is about 50313.3393843024. The cubic root of 2531432120 is about 1362.8731286800.

Adding to 2531432120 its reverse (212341352), we get a palindrome (2743773472).

The spelling of 2531432120 in words is "two billion, five hundred thirty-one million, four hundred thirty-two thousand, one hundred twenty".