210131332113 has 16 divisors (see below), whose sum is σ = 284423572800. Its totient is φ = 137964304896.

The previous prime is 210131332111. The next prime is 210131332123. The reversal of 210131332113 is 311233131012.

It is a happy number.

It is not a de Polignac number, because 210131332113 - 2¹ = 210131332111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210131332113.

It is not an unprimeable number, because it can be changed into a prime (210131332111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751213 + ... + 992261.

It is an arithmetic number, because the mean of its divisors is an integer number (17776473300).

Almost surely, 2^210131332113 is an apocalyptic number.

It is an amenable number.

210131332113 is a deficient number, since it is larger than the sum of its proper divisors (74292240687).

210131332113 is a wasteful number, since it uses less digits than its factorization.

210131332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245456.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 210131332113 its reverse (311233131012), we get a palindrome (521364463125).

The spelling of 210131332113 in words is "two hundred ten billion, one hundred thirty-one million, three hundred thirty-two thousand, one hundred thirteen".