323021021013 has 32 divisors (see below), whose sum is σ = 495115680000. Its totient is φ = 207894568896.

The previous prime is 323021020999. The next prime is 323021021017. The reversal of 323021021013 is 310120120323.

323021021013 is a `hidden beast` number, since 3 + 230 + 210 + 210 + 13 = 666.

It is not a de Polignac number, because 323021021013 - 2¹² = 323021016917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323021021017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7274643 + ... + 7318911.

It is an arithmetic number, because the mean of its divisors is an integer number (15472365000).

Almost surely, 2^323021021013 is an apocalyptic number.

It is an amenable number.

323021021013 is a deficient number, since it is larger than the sum of its proper divisors (172094658987).

323021021013 is a wasteful number, since it uses less digits than its factorization.

323021021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53626 (or 53620 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 323021021013 its reverse (310120120323), we get a palindrome (633141141336).

The spelling of 323021021013 in words is "three hundred twenty-three billion, twenty-one million, twenty-one thousand, thirteen".