1331323023203 has 8 divisors (see below), whose sum is σ = 1348794776400. Its totient is φ = 1313965092960.

The previous prime is 1331323023197. The next prime is 1331323023211. The reversal of 1331323023203 is 3023203231331.

It is a happy number.

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 1331323023203 - 2¹⁸ = 1331322761059 is a prime.

It is a super-2 number, since 2×1331323023203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331323023293) 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, 28432193 + ... + 28478978.

It is an arithmetic number, because the mean of its divisors is an integer number (168599347050).

Almost surely, 2^{1331323023203} is an apocalyptic number.

1331323023203 is a deficient number, since it is larger than the sum of its proper divisors (17471753197).

1331323023203 is a wasteful number, since it uses less digits than its factorization.

1331323023203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56911477.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 1331323023203 its reverse (3023203231331), we get a palindrome (4354526254534).

The spelling of 1331323023203 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-three million, twenty-three thousand, two hundred three".