2130100030 has 32 divisors (see below), whose sum is σ = 3946973184. Its totient is φ = 827213856.

The previous prime is 2130100001. The next prime is 2130100031. The reversal of 2130100030 is 300010312.

It is a super-2 number, since 2×2130100030² = 9074652275612001800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130100031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56979 + ... + 86641.

It is an arithmetic number, because the mean of its divisors is an integer number (123342912).

Almost surely, 2^2130100030 is an apocalyptic number.

2130100030 is a deficient number, since it is larger than the sum of its proper divisors (1816873154).

2130100030 is a wasteful number, since it uses less digits than its factorization.

2130100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29880.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 2130100030 is about 46153.0067276228. The cubic root of 2130100030 is about 1286.6684922910.

Adding to 2130100030 its reverse (300010312), we get a palindrome (2430110342).

The spelling of 2130100030 in words is "two billion, one hundred thirty million, one hundred thousand, thirty".