131233344203077 has 2 divisors, whose sum is σ = 131233344203078. Its totient is φ = 131233344203076.

The previous prime is 131233344203053. The next prime is 131233344203191. The reversal of 131233344203077 is 770302443332131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98283608888481 + 32949735314596 = 9913809^2 + 5740186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131233344203077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131233344203477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65616672101538 + 65616672101539.

It is an arithmetic number, because the mean of its divisors is an integer number (65616672101539).

Almost surely, 2^{131233344203077} is an apocalyptic number.

It is an amenable number.

131233344203077 is a deficient number, since it is larger than the sum of its proper divisors (1).

131233344203077 is an equidigital number, since it uses as much as digits as its factorization.

131233344203077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 43.

The spelling of 131233344203077 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, three hundred forty-four million, two hundred three thousand, seventy-seven".