210031020002 has 16 divisors (see below), whose sum is σ = 321555027960. Its totient is φ = 102852976512.

The previous prime is 210031019987. The next prime is 210031020007. The reversal of 210031020002 is 200020130012.

It is a happy number.

210031020002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 171371988841 + 38659031161 = 413971^2 + 196619^2 .

It is a super-2 number, since 2×210031020002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210031020007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680833 + ... + 1801460.

Almost surely, 2^210031020002 is an apocalyptic number.

210031020002 is a deficient number, since it is larger than the sum of its proper divisors (111524007958).

210031020002 is a wasteful number, since it uses less digits than its factorization.

210031020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482917.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 210031020002 its reverse (200020130012), we get a palindrome (410051150014).

The spelling of 210031020002 in words is "two hundred ten billion, thirty-one million, twenty thousand, two".