210133020431 has 4 divisors (see below), whose sum is σ = 210136419864. Its totient is φ = 210129621000.

The previous prime is 210133020413. The next prime is 210133020469. The reversal of 210133020431 is 134020331012.

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 210133020431 - 2¹⁴ = 210133004047 is a prime.

It is a super-2 number, since 2×210133020431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210133020401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1605245 + ... + 1731206.

It is an arithmetic number, because the mean of its divisors is an integer number (52534104966).

Almost surely, 2^210133020431 is an apocalyptic number.

210133020431 is a deficient number, since it is larger than the sum of its proper divisors (3399433).

210133020431 is an equidigital number, since it uses as much as digits as its factorization.

210133020431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399432.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 210133020431 its reverse (134020331012), we get a palindrome (344153351443).

The spelling of 210133020431 in words is "two hundred ten billion, one hundred thirty-three million, twenty thousand, four hundred thirty-one".