141231397 has 2 divisors, whose sum is σ = 141231398. Its totient is φ = 141231396.

The previous prime is 141231383. The next prime is 141231401. The reversal of 141231397 is 793132141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120428676 + 20802721 = 10974^2 + 4561^2 .

It is a cyclic number.

It is not a de Polignac number, because 141231397 - 2⁷ = 141231269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141231197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70615698 + 70615699.

It is an arithmetic number, because the mean of its divisors is an integer number (70615699).

Almost surely, 2^141231397 is an apocalyptic number.

It is an amenable number.

141231397 is a deficient number, since it is larger than the sum of its proper divisors (1).

141231397 is an equidigital number, since it uses as much as digits as its factorization.

141231397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 141231397 is about 11884.0816641422. The cubic root of 141231397 is about 520.7673544980.

The spelling of 141231397 in words is "one hundred forty-one million, two hundred thirty-one thousand, three hundred ninety-seven".