1233113120311 has 4 divisors (see below), whose sum is σ = 1246968324000. Its totient is φ = 1219257916624.

The previous prime is 1233113120237. The next prime is 1233113120333. The reversal of 1233113120311 is 1130213113321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1233113120311 - 2¹⁷ = 1233112989239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233113120341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6927601711 + ... + 6927601888.

It is an arithmetic number, because the mean of its divisors is an integer number (311742081000).

Almost surely, 2^{1233113120311} is an apocalyptic number.

1233113120311 is a deficient number, since it is larger than the sum of its proper divisors (13855203689).

1233113120311 is an equidigital number, since it uses as much as digits as its factorization.

1233113120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13855203688.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1233113120311 its reverse (1130213113321), we get a palindrome (2363326233632).

The spelling of 1233113120311 in words is "one trillion, two hundred thirty-three billion, one hundred thirteen million, one hundred twenty thousand, three hundred eleven".