1331331212023 has 8 divisors (see below), whose sum is σ = 1353933902160. Its totient is φ = 1308729780480.

The previous prime is 1331331211993. The next prime is 1331331212129. The reversal of 1331331212023 is 3202121331331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331331212023 is a prime.

It is a super-2 number, since 2×1331331212023² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331331210023) 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, 1956913 + ... + 2547973.

It is an arithmetic number, because the mean of its divisors is an integer number (169241737770).

Almost surely, 2^{1331331212023} is an apocalyptic number.

1331331212023 is a deficient number, since it is larger than the sum of its proper divisors (22602690137).

1331331212023 is an equidigital number, since it uses as much as digits as its factorization.

1331331212023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629297.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1331331212023 its reverse (3202121331331), we get a palindrome (4533452543354).

The spelling of 1331331212023 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-one million, two hundred twelve thousand, twenty-three".