131441310021 has 16 divisors (see below), whose sum is σ = 200329501824. Its totient is φ = 75095076864.

The previous prime is 131441309963. The next prime is 131441310037. The reversal of 131441310021 is 120013144131.

It is not a de Polignac number, because 131441310021 - 2²⁶ = 131374201157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 131441310021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131441312021) 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, 479580 + ... + 702053.

It is an arithmetic number, because the mean of its divisors is an integer number (12520593864).

Almost surely, 2^131441310021 is an apocalyptic number.

It is an amenable number.

131441310021 is a deficient number, since it is larger than the sum of its proper divisors (68888191803).

131441310021 is a wasteful number, since it uses less digits than its factorization.

131441310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186940.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 131441310021 its reverse (120013144131), we get a palindrome (251454454152).

The spelling of 131441310021 in words is "one hundred thirty-one billion, four hundred forty-one million, three hundred ten thousand, twenty-one".