319120453 has 2 divisors, whose sum is σ = 319120454. Its totient is φ = 319120452.

The previous prime is 319120427. The next prime is 319120489. The reversal of 319120453 is 354021913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318872449 + 248004 = 17857^2 + 498^2 .

It is a cyclic number.

It is not a de Polignac number, because 319120453 - 2¹⁷ = 318989381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319120253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159560226 + 159560227.

It is an arithmetic number, because the mean of its divisors is an integer number (159560227).

Almost surely, 2^319120453 is an apocalyptic number.

It is an amenable number.

319120453 is a deficient number, since it is larger than the sum of its proper divisors (1).

319120453 is an equidigital number, since it uses as much as digits as its factorization.

319120453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 319120453 is about 17863.9428178664. The cubic root of 319120453 is about 683.3631352195.

The spelling of 319120453 in words is "three hundred nineteen million, one hundred twenty thousand, four hundred fifty-three".