1331118161331 has 8 divisors (see below), whose sum is σ = 2028370531584. Its totient is φ = 760638949320.

The previous prime is 1331118161299. The next prime is 1331118161333. The reversal of 1331118161331 is 1331618111331.

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

It is not a de Polignac number, because 1331118161331 - 2⁵ = 1331118161299 is a prime.

It is a super-2 number, since 2×1331118161331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331118161292 and 1331118161301.

It is not an unprimeable number, because it can be changed into a prime (1331118161333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31693289535 + ... + 31693289576.

It is an arithmetic number, because the mean of its divisors is an integer number (253546316448).

Almost surely, 2^{1331118161331} is an apocalyptic number.

1331118161331 is a deficient number, since it is larger than the sum of its proper divisors (697252370253).

1331118161331 is an equidigital number, since it uses as much as digits as its factorization.

1331118161331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63386579121.

The product of its digits is 3888, while the sum is 33.

The spelling of 1331118161331 in words is "one trillion, three hundred thirty-one billion, one hundred eighteen million, one hundred sixty-one thousand, three hundred thirty-one".