321145302514 has 8 divisors (see below), whose sum is σ = 484213902300. Its totient is φ = 159740668416.

The previous prime is 321145302503. The next prime is 321145302523. The reversal of 321145302514 is 415203541123.

It can be written as a sum of positive squares in 2 ways, for example, as 310898801889 + 10246500625 = 557583^2 + 101225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415990939 + ... + 415991710.

Almost surely, 2^321145302514 is an apocalyptic number.

321145302514 is a deficient number, since it is larger than the sum of its proper divisors (163068599786).

321145302514 is a wasteful number, since it uses less digits than its factorization.

321145302514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831982844.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 321145302514 its reverse (415203541123), we get a palindrome (736348843637).

The spelling of 321145302514 in words is "three hundred twenty-one billion, one hundred forty-five million, three hundred two thousand, five hundred fourteen".