1131312323323 has 8 divisors (see below), whose sum is σ = 1392384398048. Its totient is φ = 895104255744.

The previous prime is 1131312323231. The next prime is 1131312323399. The reversal of 1131312323323 is 3233232131311.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131312323323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131312323291 and 1131312323300.

It is not an unprimeable number, because it can be changed into a prime (1131312323423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6216001686 + ... + 6216001867.

It is an arithmetic number, because the mean of its divisors is an integer number (174048049756).

Almost surely, 2^{1131312323323} is an apocalyptic number.

1131312323323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1131312323323 is a deficient number, since it is larger than the sum of its proper divisors (261072074725).

1131312323323 is a wasteful number, since it uses less digits than its factorization.

1131312323323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12432003573.

The product of its digits is 5832, while the sum is 28.

Adding to 1131312323323 its reverse (3233232131311), we get a palindrome (4364544454634).

The spelling of 1131312323323 in words is "one trillion, one hundred thirty-one billion, three hundred twelve million, three hundred twenty-three thousand, three hundred twenty-three".