131303332330221 has 32 divisors (see below), whose sum is σ = 182760163660800. Its totient is φ = 83754943050240.

The previous prime is 131303332330189. The next prime is 131303332330241. The reversal of 131303332330221 is 122033233303131.

It is not a de Polignac number, because 131303332330221 - 2⁵ = 131303332330189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303332330241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138822315 + ... + 139764951.

It is an arithmetic number, because the mean of its divisors is an integer number (5711255114400).

Almost surely, 2^{131303332330221} is an apocalyptic number.

It is an amenable number.

131303332330221 is a deficient number, since it is larger than the sum of its proper divisors (51456831330579).

131303332330221 is a wasteful number, since it uses less digits than its factorization.

131303332330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959589.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 131303332330221 its reverse (122033233303131), we get a palindrome (253336565633352).

The spelling of 131303332330221 in words is "one hundred thirty-one trillion, three hundred three billion, three hundred thirty-two million, three hundred thirty thousand, two hundred twenty-one".