1321112031303 has 8 divisors (see below), whose sum is σ = 1778584482688. Its totient is φ = 872190467064.

The previous prime is 1321112031251. The next prime is 1321112031341. The reversal of 1321112031303 is 3031302111231.

It is a happy number.

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

It is not a de Polignac number, because 1321112031303 - 2¹³ = 1321112023111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1321112031303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321112031373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2137721425 + ... + 2137722042.

It is an arithmetic number, because the mean of its divisors is an integer number (222323060336).

Almost surely, 2^{1321112031303} is an apocalyptic number.

1321112031303 is a deficient number, since it is larger than the sum of its proper divisors (457472451385).

1321112031303 is a wasteful number, since it uses less digits than its factorization.

1321112031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275443573.

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

Adding to 1321112031303 its reverse (3031302111231), we get a palindrome (4352414142534).

The spelling of 1321112031303 in words is "one trillion, three hundred twenty-one billion, one hundred twelve million, thirty-one thousand, three hundred three".