1310035123 has 4 divisors (see below), whose sum is σ = 1378984360. Its totient is φ = 1241085888.

The previous prime is 1310035091. The next prime is 1310035201. The reversal of 1310035123 is 3215300131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3215300131 = 587 ⋅5477513.

It is a cyclic number.

It is not a de Polignac number, because 1310035123 - 2⁵ = 1310035091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 68949217 = 1310035123 / (1 + 3 + 1 + 0 + 0 + 3 + 5 + 1 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310035123.

It is not an unprimeable number, because it can be changed into a prime (1310035423) 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, 34474590 + ... + 34474627.

It is an arithmetic number, because the mean of its divisors is an integer number (344746090).

Almost surely, 2^1310035123 is an apocalyptic number.

1310035123 is a deficient number, since it is larger than the sum of its proper divisors (68949237).

1310035123 is an equidigital number, since it uses as much as digits as its factorization.

1310035123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68949236.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1310035123 is about 36194.4073442293. The cubic root of 1310035123 is about 1094.1939601644.

Adding to 1310035123 its reverse (3215300131), we get a palindrome (4525335254).

The spelling of 1310035123 in words is "one billion, three hundred ten million, thirty-five thousand, one hundred twenty-three".