210031330130 has 16 divisors (see below), whose sum is σ = 378334197144. Its totient is φ = 83950798080.

The previous prime is 210031330097. The next prime is 210031330139. The reversal of 210031330130 is 31033130012.

It can be written as a sum of positive squares in 4 ways, for example, as 57082288561 + 152949041569 = 238919^2 + 391087^2 .

It is a super-2 number, since 2×210031330130² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210031330099 and 210031330108.

It is not an unprimeable number, because it can be changed into a prime (210031330139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7702457 + ... + 7729676.

Almost surely, 2^210031330130 is an apocalyptic number.

210031330130 is a deficient number, since it is larger than the sum of its proper divisors (168302867014).

210031330130 is a wasteful number, since it uses less digits than its factorization.

210031330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15433501.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 210031330130 its reverse (31033130012), we get a palindrome (241064460142).

The spelling of 210031330130 in words is "two hundred ten billion, thirty-one million, three hundred thirty thousand, one hundred thirty".