321145353151 has 12 divisors (see below), whose sum is σ = 385628128320. Its totient is φ = 266387849280.

The previous prime is 321145353121. The next prime is 321145353163. The reversal of 321145353151 is 151353541123.

It is not a de Polignac number, because 321145353151 - 2¹¹ = 321145351103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321145353121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105707946 + ... + 105710983.

It is an arithmetic number, because the mean of its divisors is an integer number (32135677360).

Almost surely, 2^321145353151 is an apocalyptic number.

321145353151 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

321145353151 is a deficient number, since it is larger than the sum of its proper divisors (64482775169).

321145353151 is a wasteful number, since it uses less digits than its factorization.

321145353151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211418974 (or 211418967 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

Adding to 321145353151 its reverse (151353541123), we get a palindrome (472498894274).

The spelling of 321145353151 in words is "three hundred twenty-one billion, one hundred forty-five million, three hundred fifty-three thousand, one hundred fifty-one".