210131530401 has 16 divisors (see below), whose sum is σ = 302025237696. Its totient is φ = 129184034496.

The previous prime is 210131530391. The next prime is 210131530423. The reversal of 210131530401 is 104035131012.

It is not a de Polignac number, because 210131530401 - 2⁶ = 210131530337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210131534401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2619915 + ... + 2698928.

It is an arithmetic number, because the mean of its divisors is an integer number (18876577356).

Almost surely, 2^210131530401 is an apocalyptic number.

It is an amenable number.

210131530401 is a deficient number, since it is larger than the sum of its proper divisors (91893707295).

210131530401 is a wasteful number, since it uses less digits than its factorization.

210131530401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319872.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 210131530401 its reverse (104035131012), we get a palindrome (314166661413).

The spelling of 210131530401 in words is "two hundred ten billion, one hundred thirty-one million, five hundred thirty thousand, four hundred one".