210031130 has 16 divisors (see below), whose sum is σ = 397954080. Its totient is φ = 79590672.

The previous prime is 210031099. The next prime is 210031177. The reversal of 210031130 is 31130012.

It is a super-2 number, since 2×210031130² = 88226151138153800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552524 + ... + 552903.

It is an arithmetic number, because the mean of its divisors is an integer number (24872130).

Almost surely, 2^210031130 is an apocalyptic number.

210031130 is a deficient number, since it is larger than the sum of its proper divisors (187922950).

210031130 is a wasteful number, since it uses less digits than its factorization.

210031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105453.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 210031130 is about 14492.4507934304. The cubic root of 210031130 is about 594.4215643474.

Adding to 210031130 its reverse (31130012), we get a palindrome (241161142).

The spelling of 210031130 in words is "two hundred ten million, thirty-one thousand, one hundred thirty".