1123313031213 has 8 divisors (see below), whose sum is σ = 1499439269568. Its totient is φ = 748031073504.

The previous prime is 1123313031157. The next prime is 1123313031259. The reversal of 1123313031213 is 3121303133211.

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

It is not a de Polignac number, because 1123313031213 - 2¹⁴ = 1123313014829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123313031263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211067056 + ... + 211072377.

It is an arithmetic number, because the mean of its divisors is an integer number (187429908696).

Almost surely, 2^{1123313031213} is an apocalyptic number.

It is an amenable number.

1123313031213 is a deficient number, since it is larger than the sum of its proper divisors (376126238355).

1123313031213 is an equidigital number, since it uses as much as digits as its factorization.

1123313031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422140323.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1123313031213 its reverse (3121303133211), we get a palindrome (4244616164424).

The spelling of 1123313031213 in words is "one trillion, one hundred twenty-three billion, three hundred thirteen million, thirty-one thousand, two hundred thirteen".