1310111021023 has 8 divisors (see below), whose sum is σ = 1497277519520. Its totient is φ = 1122946467840.

The previous prime is 1310111020979. The next prime is 1310111021047. The reversal of 1310111021023 is 3201201110131.

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 not a de Polignac number, because 1310111021023 - 2⁹ = 1310111020511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310111020988 and 1310111021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310111081023) 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, 1494943 + ... + 2203423.

It is an arithmetic number, because the mean of its divisors is an integer number (187159689940).

Almost surely, 2^{1310111021023} is an apocalyptic number.

1310111021023 is a deficient number, since it is larger than the sum of its proper divisors (187166498497).

1310111021023 is an equidigital number, since it uses as much as digits as its factorization.

1310111021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972657.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1310111021023 its reverse (3201201110131), we get a palindrome (4511312131154).

The spelling of 1310111021023 in words is "one trillion, three hundred ten billion, one hundred eleven million, twenty-one thousand, twenty-three".