931364321 has 2 divisors, whose sum is σ = 931364322. Its totient is φ = 931364320.

The previous prime is 931364311. The next prime is 931364327. The reversal of 931364321 is 123463139.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 927507025 + 3857296 = 30455^2 + 1964^2 .

It is an emirp because it is prime and its reverse (123463139) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 931364321 - 2²² = 927170017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (931364327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465682160 + 465682161.

It is an arithmetic number, because the mean of its divisors is an integer number (465682161).

Almost surely, 2^931364321 is an apocalyptic number.

It is an amenable number.

931364321 is a deficient number, since it is larger than the sum of its proper divisors (1).

931364321 is an equidigital number, since it uses as much as digits as its factorization.

931364321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 931364321 is about 30518.2620900994. The cubic root of 931364321 is about 976.5770912010.

The spelling of 931364321 in words is "nine hundred thirty-one million, three hundred sixty-four thousand, three hundred twenty-one".