210442404331 has 8 divisors (see below), whose sum is σ = 213147499040. Its totient is φ = 207748240128.

The previous prime is 210442404311. The next prime is 210442404349. The reversal of 210442404331 is 133404244012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210442404331 - 2³⁷ = 73003450859 is a prime.

It is a super-2 number, since 2×210442404331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210442404331.

It is not an unprimeable number, because it can be changed into a prime (210442404311) 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, 2693871 + ... + 2770888.

It is an arithmetic number, because the mean of its divisors is an integer number (26643437380).

Almost surely, 2^210442404331 is an apocalyptic number.

210442404331 is a deficient number, since it is larger than the sum of its proper divisors (2705094709).

210442404331 is an equidigital number, since it uses as much as digits as its factorization.

210442404331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5465253.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 210442404331 its reverse (133404244012), we get a palindrome (343846648343).

The spelling of 210442404331 in words is "two hundred ten billion, four hundred forty-two million, four hundred four thousand, three hundred thirty-one".