131221300233214 has 4 divisors (see below), whose sum is σ = 196831950349824. Its totient is φ = 65610650116606.

The previous prime is 131221300233187. The next prime is 131221300233217. The reversal of 131221300233214 is 412332003122131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131221300233217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32805325058302 + ... + 32805325058305.

It is an arithmetic number, because the mean of its divisors is an integer number (49207987587456).

Almost surely, 2^{131221300233214} is an apocalyptic number.

131221300233214 is a deficient number, since it is larger than the sum of its proper divisors (65610650116610).

131221300233214 is an equidigital number, since it uses as much as digits as its factorization.

131221300233214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65610650116609.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 131221300233214 its reverse (412332003122131), we get a palindrome (543553303355345).

The spelling of 131221300233214 in words is "one hundred thirty-one trillion, two hundred twenty-one billion, three hundred million, two hundred thirty-three thousand, two hundred fourteen".