2131012554 has 24 divisors (see below), whose sum is σ = 4684706880. Its totient is φ = 645761160.

The previous prime is 2131012549. The next prime is 2131012561. The reversal of 2131012554 is 4552101312.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1466914 + ... + 1468365.

It is an arithmetic number, because the mean of its divisors is an integer number (195196120).

Almost surely, 2^2131012554 is an apocalyptic number.

2131012554 is an abundant number, since it is smaller than the sum of its proper divisors (2553694326).

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

2131012554 is a wasteful number, since it uses less digits than its factorization.

2131012554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935306 (or 2935295 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2131012554 is about 46162.8915255533. The cubic root of 2131012554 is about 1286.8522001359.

Adding to 2131012554 its reverse (4552101312), we get a palindrome (6683113866).

The spelling of 2131012554 in words is "two billion, one hundred thirty-one million, twelve thousand, five hundred fifty-four".