2130531628 has 12 divisors (see below), whose sum is σ = 3789552592. Its totient is φ = 1047802320.

The previous prime is 2130531589. The next prime is 2130531629. The reversal of 2130531628 is 8261350312.

It is a self number, because there is not a number n which added to its sum of digits gives 2130531628.

It is not an unprimeable number, because it can be changed into a prime (2130531629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4365600 + ... + 4366087.

Almost surely, 2^2130531628 is an apocalyptic number.

It is an amenable number.

2130531628 is a deficient number, since it is larger than the sum of its proper divisors (1659020964).

2130531628 is a wasteful number, since it uses less digits than its factorization.

2130531628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731752 (or 8731750 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2130531628 is about 46157.6822208395. The cubic root of 2130531628 is about 1286.7553874349.

The spelling of 2130531628 in words is "two billion, one hundred thirty million, five hundred thirty-one thousand, six hundred twenty-eight".