321134154379 has 2 divisors, whose sum is σ = 321134154380. Its totient is φ = 321134154378.

The previous prime is 321134154361. The next prime is 321134154461. The reversal of 321134154379 is 973451431123.

It is a weak prime.

It is an emirp because it is prime and its reverse (973451431123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321134154379 - 2⁵ = 321134154347 is a prime.

It is not a weakly prime, because it can be changed into another prime (321134154359) 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, 160567077189 + 160567077190.

It is an arithmetic number, because the mean of its divisors is an integer number (160567077190).

Almost surely, 2^321134154379 is an apocalyptic number.

321134154379 is a deficient number, since it is larger than the sum of its proper divisors (1).

321134154379 is an equidigital number, since it uses as much as digits as its factorization.

321134154379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The spelling of 321134154379 in words is "three hundred twenty-one billion, one hundred thirty-four million, one hundred fifty-four thousand, three hundred seventy-nine".