1310111213233 has 4 divisors (see below), whose sum is σ = 1315547359588. Its totient is φ = 1304675066880.

The previous prime is 1310111213221. The next prime is 1310111213249. The reversal of 1310111213233 is 3323121110131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 757009623969 + 553101589264 = 870063^2 + 743708^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310111213233 - 2⁹ = 1310111212721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310111213533) 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, 2718072816 + ... + 2718073297.

It is an arithmetic number, because the mean of its divisors is an integer number (328886839897).

Almost surely, 2^{1310111213233} is an apocalyptic number.

It is an amenable number.

1310111213233 is a deficient number, since it is larger than the sum of its proper divisors (5436146355).

1310111213233 is an equidigital number, since it uses as much as digits as its factorization.

1310111213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436146354.

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

Adding to 1310111213233 its reverse (3323121110131), we get a palindrome (4633232323364).

The spelling of 1310111213233 in words is "one trillion, three hundred ten billion, one hundred eleven million, two hundred thirteen thousand, two hundred thirty-three".