210031002 has 32 divisors (see below), whose sum is σ = 472368960. Its totient is φ = 69165360.

The previous prime is 210030929. The next prime is 210031007. The reversal of 210031002 is 200130012.

It is a happy number.

It is a super-2 number, since 2×210031002² = 88226043602248008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (210031007) 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, 18949 + ... + 27912.

It is an arithmetic number, because the mean of its divisors is an integer number (14761530).

Almost surely, 2^210031002 is an apocalyptic number.

210031002 is an abundant number, since it is smaller than the sum of its proper divisors (262337958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210031002 is a wasteful number, since it uses less digits than its factorization.

210031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46955 (or 46949 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 210031002 is about 14492.4463773374. The cubic root of 210031002 is about 594.4214435940.

Adding to 210031002 its reverse (200130012), we get a palindrome (410161014).

The spelling of 210031002 in words is "two hundred ten million, thirty-one thousand, two".