2130531544 has 32 divisors (see below), whose sum is σ = 4224205440. Its totient is φ = 1005753600.

The previous prime is 2130531527. The next prime is 2130531563. The reversal of 2130531544 is 4451350312.

2130531544 is nontrivially palindromic in base 12.

It is a congruent number.

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, 94599 + ... + 114934.

It is an arithmetic number, because the mean of its divisors is an integer number (132006420).

Almost surely, 2^2130531544 is an apocalyptic number.

It is an amenable number.

2130531544 is a deficient number, since it is larger than the sum of its proper divisors (2093673896).

2130531544 is a wasteful number, since it uses less digits than its factorization.

2130531544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209611 (or 209607 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2130531544 is about 46157.6813109151. The cubic root of 2130531544 is about 1286.7553705240.

Adding to 2130531544 its reverse (4451350312), we get a palindrome (6581881856).

The spelling of 2130531544 in words is "two billion, one hundred thirty million, five hundred thirty-one thousand, five hundred forty-four".