131201421023357 has 2 divisors, whose sum is σ = 131201421023358. Its totient is φ = 131201421023356.

The previous prime is 131201421023333. The next prime is 131201421023363. The reversal of 131201421023357 is 753320124102131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77206641666361 + 53994779356996 = 8786731^2 + 7348114^2 .

It is a cyclic number.

It is not a de Polignac number, because 131201421023357 - 2³⁶ = 131132701546621 is a prime.

It is a super-2 number, since 2×131201421023357² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131201421023317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600710511678 + 65600710511679.

It is an arithmetic number, because the mean of its divisors is an integer number (65600710511679).

Almost surely, 2^{131201421023357} is an apocalyptic number.

It is an amenable number.

131201421023357 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201421023357 is an equidigital number, since it uses as much as digits as its factorization.

131201421023357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 131201421023357 its reverse (753320124102131), we get a palindrome (884521545125488).

The spelling of 131201421023357 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty-one million, twenty-three thousand, three hundred fifty-seven".