1321032111303 has 8 divisors (see below), whose sum is σ = 1761381471600. Its totient is φ = 880685412608.

The previous prime is 1321032111293. The next prime is 1321032111313. The reversal of 1321032111303 is 3031112301231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1321032111293) and next prime (1321032111313).

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 1321032111303 - 2⁵ = 1321032111271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1321032111303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321032111313) 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, 1491613 + ... + 2206121.

It is an arithmetic number, because the mean of its divisors is an integer number (220172683950).

Almost surely, 2^{1321032111303} is an apocalyptic number.

1321032111303 is a deficient number, since it is larger than the sum of its proper divisors (440349360297).

1321032111303 is an equidigital number, since it uses as much as digits as its factorization.

1321032111303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330801.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1321032111303 its reverse (3031112301231), we get a palindrome (4352144412534).

The spelling of 1321032111303 in words is "one trillion, three hundred twenty-one billion, thirty-two million, one hundred eleven thousand, three hundred three".