210330421131331 has 4 divisors (see below), whose sum is σ = 212693684290200. Its totient is φ = 207967157972464.

The previous prime is 210330421131307. The next prime is 210330421131349. The reversal of 210330421131331 is 133131124033012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210330421131331 - 2¹⁵ = 210330421098563 is a prime.

It is a super-2 number, since 2×210330421131331² (a number of 29 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 210330421131331.

It is not an unprimeable number, because it can be changed into a prime (210330421141331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181631579301 + ... + 1181631579478.

It is an arithmetic number, because the mean of its divisors is an integer number (53173421072550).

Almost surely, 2^{210330421131331} is an apocalyptic number.

210330421131331 is a deficient number, since it is larger than the sum of its proper divisors (2363263158869).

210330421131331 is an equidigital number, since it uses as much as digits as its factorization.

210330421131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363263158868.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 210330421131331 its reverse (133131124033012), we get a palindrome (343461545164343).

The spelling of 210330421131331 in words is "two hundred ten trillion, three hundred thirty billion, four hundred twenty-one million, one hundred thirty-one thousand, three hundred thirty-one".