403231322221087 has 2 divisors, whose sum is σ = 403231322221088. Its totient is φ = 403231322221086.

The previous prime is 403231322221073. The next prime is 403231322221103. The reversal of 403231322221087 is 780122223132304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403231322221087 - 2³⁹ = 402681566407199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403231322221187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201615661110543 + 201615661110544.

It is an arithmetic number, because the mean of its divisors is an integer number (201615661110544).

Almost surely, 2^{403231322221087} is an apocalyptic number.

403231322221087 is a deficient number, since it is larger than the sum of its proper divisors (1).

403231322221087 is an equidigital number, since it uses as much as digits as its factorization.

403231322221087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 403231322221087 in words is "four hundred three trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred twenty-one thousand, eighty-seven".