131121320301203 has 2 divisors, whose sum is σ = 131121320301204. Its totient is φ = 131121320301202.

The previous prime is 131121320301193. The next prime is 131121320301229. The reversal of 131121320301203 is 302103023121131.

It is a weak prime.

It is an emirp because it is prime and its reverse (302103023121131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131121320301203 - 2¹⁶ = 131121320235667 is a prime.

It is not a weakly prime, because it can be changed into another prime (131121320301263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65560660150601 + 65560660150602.

It is an arithmetic number, because the mean of its divisors is an integer number (65560660150602).

Almost surely, 2^{131121320301203} is an apocalyptic number.

131121320301203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131121320301203 is an equidigital number, since it uses as much as digits as its factorization.

131121320301203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131121320301203 its reverse (302103023121131), we get a palindrome (433224343422334).

The spelling of 131121320301203 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred twenty million, three hundred one thousand, two hundred three".