131021212301 has 32 divisors (see below), whose sum is σ = 158315224320. Its totient is φ = 105924672000.

The previous prime is 131021212297. The next prime is 131021212369. The reversal of 131021212301 is 103212120131.

It is not a de Polignac number, because 131021212301 - 2² = 131021212297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131021212301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021212901) 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 31 ways as a sum of consecutive naturals, for example, 31186001 + ... + 31190201.

It is an arithmetic number, because the mean of its divisors is an integer number (4947350760).

Almost surely, 2^131021212301 is an apocalyptic number.

It is an amenable number.

131021212301 is a deficient number, since it is larger than the sum of its proper divisors (27294012019).

131021212301 is a wasteful number, since it uses less digits than its factorization.

131021212301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131021212301 its reverse (103212120131), we get a palindrome (234233332432).

The spelling of 131021212301 in words is "one hundred thirty-one billion, twenty-one million, two hundred twelve thousand, three hundred one".