131023121320153 has 2 divisors, whose sum is σ = 131023121320154. Its totient is φ = 131023121320152.

The previous prime is 131023121320141. The next prime is 131023121320241. The reversal of 131023121320153 is 351023121320131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125283517632144 + 5739603688009 = 11193012^2 + 2395747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131023121320153 is a prime.

It is not a weakly prime, because it can be changed into another prime (131023121320253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511560660076 + 65511560660077.

It is an arithmetic number, because the mean of its divisors is an integer number (65511560660077).

Almost surely, 2^{131023121320153} is an apocalyptic number.

It is an amenable number.

131023121320153 is a deficient number, since it is larger than the sum of its proper divisors (1).

131023121320153 is an equidigital number, since it uses as much as digits as its factorization.

131023121320153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 131023121320153 its reverse (351023121320131), we get a palindrome (482046242640284).

The spelling of 131023121320153 in words is "one hundred thirty-one trillion, twenty-three billion, one hundred twenty-one million, three hundred twenty thousand, one hundred fifty-three".