321145245011 has 8 divisors (see below), whose sum is σ = 322375799280. Its totient is φ = 319915994112.

The previous prime is 321145245007. The next prime is 321145245013. The reversal of 321145245011 is 110542541123.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 321145245011 - 2² = 321145245007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321145245013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169331 + ... + 819123.

It is an arithmetic number, because the mean of its divisors is an integer number (40296974910).

Almost surely, 2^321145245011 is an apocalyptic number.

321145245011 is a deficient number, since it is larger than the sum of its proper divisors (1230554269).

321145245011 is a wasteful number, since it uses less digits than its factorization.

321145245011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651685.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 321145245011 its reverse (110542541123), we get a palindrome (431687786134).

The spelling of 321145245011 in words is "three hundred twenty-one billion, one hundred forty-five million, two hundred forty-five thousand, eleven".