1331022231329 has 8 divisors (see below), whose sum is σ = 1521456352128. Its totient is φ = 1140660132480.

The previous prime is 1331022231271. The next prime is 1331022231347. The reversal of 1331022231329 is 9231322201331.

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 1331022231329 - 2⁸ = 1331022231073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331022231295 and 1331022231304.

It is not an unprimeable number, because it can be changed into a prime (1331022231349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17965877 + ... + 18039810.

It is an arithmetic number, because the mean of its divisors is an integer number (190182044016).

Almost surely, 2^{1331022231329} is an apocalyptic number.

It is an amenable number.

1331022231329 is a deficient number, since it is larger than the sum of its proper divisors (190434120799).

1331022231329 is an equidigital number, since it uses as much as digits as its factorization.

1331022231329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36010975.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 1331022231329 in words is "one trillion, three hundred thirty-one billion, twenty-two million, two hundred thirty-one thousand, three hundred twenty-nine".