319119401 has 2 divisors, whose sum is σ = 319119402. Its totient is φ = 319119400.

The previous prime is 319119389. The next prime is 319119403. The reversal of 319119401 is 104911913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266179225 + 52940176 = 16315^2 + 7276^2 .

It is a cyclic number.

It is not a de Polignac number, because 319119401 - 2²⁶ = 252010537 is a prime.

Together with 319119403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (319119403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159559700 + 159559701.

It is an arithmetic number, because the mean of its divisors is an integer number (159559701).

Almost surely, 2^319119401 is an apocalyptic number.

It is an amenable number.

319119401 is a deficient number, since it is larger than the sum of its proper divisors (1).

319119401 is an equidigital number, since it uses as much as digits as its factorization.

319119401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 319119401 is about 17863.9133730546. The cubic root of 319119401 is about 683.3623843026.

The spelling of 319119401 in words is "three hundred nineteen million, one hundred nineteen thousand, four hundred one".