1331444342043 has 32 divisors (see below), whose sum is σ = 1994854651200. Its totient is φ = 877576347648.

The previous prime is 1331444342017. The next prime is 1331444342069. The reversal of 1331444342043 is 3402434441331.

1331444342043 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 4 + 443 + 4 + 204 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1331444342017) and next prime (1331444342069).

It is not a de Polignac number, because 1331444342043 - 2³⁷ = 1194005388571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331444341989 and 1331444342007.

It is not an unprimeable number, because it can be changed into a prime (1331444342083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38894671 + ... + 38928887.

It is an arithmetic number, because the mean of its divisors is an integer number (62339207850).

Almost surely, 2^{1331444342043} is an apocalyptic number.

1331444342043 is a deficient number, since it is larger than the sum of its proper divisors (663410309157).

1331444342043 is a wasteful number, since it uses less digits than its factorization.

1331444342043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50508 (or 50502 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 1331444342043 its reverse (3402434441331), we get a palindrome (4733878783374).

The spelling of 1331444342043 in words is "one trillion, three hundred thirty-one billion, four hundred forty-four million, three hundred forty-two thousand, forty-three".