131003221301 has 4 divisors (see below), whose sum is σ = 131049400812. Its totient is φ = 130957041792.

The previous prime is 131003221291. The next prime is 131003221319. The reversal of 131003221301 is 103122300131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103122300131 = 7027 ⋅14675153.

It can be written as a sum of positive squares in 2 ways, for example, as 44110920676 + 86892300625 = 210026^2 + 294775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131003221301 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 131003221301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131003221001) 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, 23085500 + ... + 23091173.

It is an arithmetic number, because the mean of its divisors is an integer number (32762350203).

Almost surely, 2^131003221301 is an apocalyptic number.

It is an amenable number.

131003221301 is a deficient number, since it is larger than the sum of its proper divisors (46179511).

131003221301 is an equidigital number, since it uses as much as digits as its factorization.

131003221301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46179510.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131003221301 its reverse (103122300131), we get a palindrome (234125521432).

The spelling of 131003221301 in words is "one hundred thirty-one billion, three million, two hundred twenty-one thousand, three hundred one".