1121313344331 has 16 divisors (see below), whose sum is σ = 1535568454688. Its totient is φ = 727302240000.

The previous prime is 1121313344329. The next prime is 1121313344387. The reversal of 1121313344331 is 1334433131211.

It is a happy number.

It is not a de Polignac number, because 1121313344331 - 2¹ = 1121313344329 is a prime.

It is a super-2 number, since 2×1121313344331² (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 (1121313340331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2090601 + ... + 2571621.

It is an arithmetic number, because the mean of its divisors is an integer number (95973028418).

Almost surely, 2^{1121313344331} is an apocalyptic number.

1121313344331 is a deficient number, since it is larger than the sum of its proper divisors (414255110357).

1121313344331 is a wasteful number, since it uses less digits than its factorization.

1121313344331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502062.

The product of its digits is 7776, while the sum is 30.

Adding to 1121313344331 its reverse (1334433131211), we get a palindrome (2455746475542).

The spelling of 1121313344331 in words is "one trillion, one hundred twenty-one billion, three hundred thirteen million, three hundred forty-four thousand, three hundred thirty-one".