1131213301323 has 16 divisors (see below), whose sum is σ = 1737326469120. Its totient is φ = 641317775616.

The previous prime is 1131213301321. The next prime is 1131213301331. The reversal of 1131213301323 is 3231033121311.

It is not a de Polignac number, because 1131213301323 - 2¹ = 1131213301321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131213301293 and 1131213301302.

It is not an unprimeable number, because it can be changed into a prime (1131213301321) 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 15 ways as a sum of consecutive naturals, for example, 212073318 + ... + 212078651.

It is an arithmetic number, because the mean of its divisors is an integer number (108582904320).

Almost surely, 2^{1131213301323} is an apocalyptic number.

1131213301323 is a deficient number, since it is larger than the sum of its proper divisors (606113167797).

1131213301323 is a wasteful number, since it uses less digits than its factorization.

1131213301323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424152106.

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

Adding to 1131213301323 its reverse (3231033121311), we get a palindrome (4362246422634).

The spelling of 1131213301323 in words is "one trillion, one hundred thirty-one billion, two hundred thirteen million, three hundred one thousand, three hundred twenty-three".