1331144419 has 8 divisors (see below), whose sum is σ = 1460272320. Its totient is φ = 1203369000.

The previous prime is 1331144411. The next prime is 1331144429. The reversal of 1331144419 is 9144411331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331144419 - 2³ = 1331144411 is a prime.

It is a super-2 number, since 2×1331144419² = 3543890928469695122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331144411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336057 + ... + 339994.

It is an arithmetic number, because the mean of its divisors is an integer number (182534040).

Almost surely, 2^1331144419 is an apocalyptic number.

1331144419 is a deficient number, since it is larger than the sum of its proper divisors (129127901).

1331144419 is a wasteful number, since it uses less digits than its factorization.

1331144419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676241.

The product of its digits is 5184, while the sum is 31.

The square root of 1331144419 is about 36484.8519114440. The cubic root of 1331144419 is about 1100.0397834096.

The spelling of 1331144419 in words is "one billion, three hundred thirty-one million, one hundred forty-four thousand, four hundred nineteen".