210431320103 has 8 divisors (see below), whose sum is σ = 221570796720. Its totient is φ = 199298257920.

The previous prime is 210431320009. The next prime is 210431320123. The reversal of 210431320103 is 301023134012.

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 210431320103 - 2³⁰ = 209357578279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210431320123) 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, 1536188 + ... + 1667553.

It is an arithmetic number, because the mean of its divisors is an integer number (27696349590).

Almost surely, 2^210431320103 is an apocalyptic number.

210431320103 is a deficient number, since it is larger than the sum of its proper divisors (11139476617).

210431320103 is a wasteful number, since it uses less digits than its factorization.

210431320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207217.

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

Adding to 210431320103 its reverse (301023134012), we get a palindrome (511454454115).

The spelling of 210431320103 in words is "two hundred ten billion, four hundred thirty-one million, three hundred twenty thousand, one hundred three".