321054150091 has 2 divisors, whose sum is σ = 321054150092. Its totient is φ = 321054150090.

The previous prime is 321054150073. The next prime is 321054150113. The reversal of 321054150091 is 190051450123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321054150091 - 2¹¹ = 321054148043 is a prime.

It is not a weakly prime, because it can be changed into another prime (321054150041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160527075045 + 160527075046.

It is an arithmetic number, because the mean of its divisors is an integer number (160527075046).

Almost surely, 2^321054150091 is an apocalyptic number.

321054150091 is a deficient number, since it is larger than the sum of its proper divisors (1).

321054150091 is an equidigital number, since it uses as much as digits as its factorization.

321054150091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 321054150091 in words is "three hundred twenty-one billion, fifty-four million, one hundred fifty thousand, ninety-one".