1331442419 has 2 divisors, whose sum is σ = 1331442420. Its totient is φ = 1331442418.

The previous prime is 1331442353. The next prime is 1331442443. The reversal of 1331442419 is 9142441331.

It is a strong prime.

It is an emirp because it is prime and its reverse (9142441331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1331442419 - 2¹² = 1331438323 is a prime.

It is a super-2 number, since 2×1331442419² = 3545477830225143122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1331442479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665721209 + 665721210.

It is an arithmetic number, because the mean of its divisors is an integer number (665721210).

Almost surely, 2^1331442419 is an apocalyptic number.

1331442419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331442419 is an equidigital number, since it uses as much as digits as its factorization.

1331442419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 1331442419 is about 36488.9355695668. The cubic root of 1331442419 is about 1100.1218650109.

The spelling of 1331442419 in words is "one billion, three hundred thirty-one million, four hundred forty-two thousand, four hundred nineteen".