9320391321 has 24 divisors (see below), whose sum is σ = 13212945984. Its totient is φ = 5842886400.

The previous prime is 9320391313. The next prime is 9320391349. The reversal of 9320391321 is 1231930239.

It is not a de Polignac number, because 9320391321 - 2³ = 9320391313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9320391121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1123836 + ... + 1132098.

It is an arithmetic number, because the mean of its divisors is an integer number (550539416).

Almost surely, 2^9320391321 is an apocalyptic number.

It is an amenable number.

9320391321 is a deficient number, since it is larger than the sum of its proper divisors (3892554663).

9320391321 is a wasteful number, since it uses less digits than its factorization.

9320391321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9601 (or 9584 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 9320391321 is about 96542.1737946686. The cubic root of 9320391321 is about 2104.4795775838.

The spelling of 9320391321 in words is "nine billion, three hundred twenty million, three hundred ninety-one thousand, three hundred twenty-one".