210131404131011 has 4 divisors (see below), whose sum is σ = 229234259052024. Its totient is φ = 191028549210000.

The previous prime is 210131404130867. The next prime is 210131404131053. The reversal of 210131404131011 is 110131404131012.

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 210131404131011 - 2¹⁰ = 210131404129987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210131404131071) 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, 9551427460490 + ... + 9551427460511.

It is an arithmetic number, because the mean of its divisors is an integer number (57308564763006).

Almost surely, 2^{210131404131011} is an apocalyptic number.

210131404131011 is a deficient number, since it is larger than the sum of its proper divisors (19102854921013).

210131404131011 is a wasteful number, since it uses less digits than its factorization.

210131404131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19102854921012.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 210131404131011 its reverse (110131404131012), we get a palindrome (320262808262023).

Subtracting from 210131404131011 its reverse (110131404131012), we obtain a palindrome (99999999999999).

The spelling of 210131404131011 in words is "two hundred ten trillion, one hundred thirty-one billion, four hundred four million, one hundred thirty-one thousand, eleven".