319828913 has 2 divisors, whose sum is σ = 319828914. Its totient is φ = 319828912.

The previous prime is 319828903. The next prime is 319828933.

319828913 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286049569 + 33779344 = 16913^2 + 5812^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 319828913 - 2¹⁸ = 319566769 is a prime.

It is a super-3 number, since 3×319828913³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (319828903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159914456 + 159914457.

It is an arithmetic number, because the mean of its divisors is an integer number (159914457).

Almost surely, 2^319828913 is an apocalyptic number.

It is an amenable number.

319828913 is a deficient number, since it is larger than the sum of its proper divisors (1).

319828913 is an equidigital number, since it uses as much as digits as its factorization.

319828913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 44.

The square root of 319828913 is about 17883.7611536276. The cubic root of 319828913 is about 683.8684591673.

The spelling of 319828913 in words is "three hundred nineteen million, eight hundred twenty-eight thousand, nine hundred thirteen".