1311433163019 has 24 divisors (see below), whose sum is σ = 2165848270560. Its totient is φ = 749064048768.

The previous prime is 1311433163009. The next prime is 1311433163057. The reversal of 1311433163019 is 9103613341131.

1311433163019 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 4 + 3 + 3 + 1 + 630 + 19 = 666.

It is not a de Polignac number, because 1311433163019 - 2¹⁷ = 1311433031947 is a prime.

It is a super-2 number, since 2×1311433163019² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311433163009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4386504 + ... + 4675925.

It is an arithmetic number, because the mean of its divisors is an integer number (90243677940).

Almost surely, 2^{1311433163019} is an apocalyptic number.

1311433163019 is a deficient number, since it is larger than the sum of its proper divisors (854415107541).

1311433163019 is a wasteful number, since it uses less digits than its factorization.

1311433163019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9064739 (or 9064736 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 1311433163019 in words is "one trillion, three hundred eleven billion, four hundred thirty-three million, one hundred sixty-three thousand, nineteen".