2131349628 has 48 divisors (see below), whose sum is σ = 5112222080. Its totient is φ = 690617664.

The previous prime is 2131349609. The next prime is 2131349641. The reversal of 2131349628 is 8269431312.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 966375 + ... + 968577.

Almost surely, 2^2131349628 is an apocalyptic number.

It is an amenable number.

2131349628 is an abundant number, since it is smaller than the sum of its proper divisors (2980872452).

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

2131349628 is a wasteful number, since it uses less digits than its factorization.

2131349628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426 (or 4424 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 2131349628 is about 46166.5423006748. The cubic root of 2131349628 is about 1286.9200460603.

The spelling of 2131349628 in words is "two billion, one hundred thirty-one million, three hundred forty-nine thousand, six hundred twenty-eight".