319921241 has 4 divisors (see below), whose sum is σ = 321884112. Its totient is φ = 317958372.

The previous prime is 319921223. The next prime is 319921267. The reversal of 319921241 is 142129913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 319921241 - 2¹⁴ = 319904857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 319921198 and 319921207.

It is not an unprimeable number, because it can be changed into a prime (319921201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981191 + ... + 981516.

It is an arithmetic number, because the mean of its divisors is an integer number (80471028).

Almost surely, 2^319921241 is an apocalyptic number.

It is an amenable number.

319921241 is a deficient number, since it is larger than the sum of its proper divisors (1962871).

319921241 is a wasteful number, since it uses less digits than its factorization.

319921241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962870.

The product of its digits is 3888, while the sum is 32.

The square root of 319921241 is about 17886.3423035566. The cubic root of 319921241 is about 683.9342590682.

It can be divided in two parts, 31992 and 1241, that added together give a palindrome (33233).

The spelling of 319921241 in words is "three hundred nineteen million, nine hundred twenty-one thousand, two hundred forty-one".