1310011123 has 4 divisors (see below), whose sum is σ = 1334728368. Its totient is φ = 1285293880.

The previous prime is 1310011117. The next prime is 1310011163. The reversal of 1310011123 is 3211100131.

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 1310011123 - 2⁵ = 1310011091 is a prime.

It is a super-2 number, since 2×1310011123² = 3432258284767442258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310011163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12358543 + ... + 12358648.

It is an arithmetic number, because the mean of its divisors is an integer number (333682092).

Almost surely, 2^1310011123 is an apocalyptic number.

1310011123 is a deficient number, since it is larger than the sum of its proper divisors (24717245).

1310011123 is an equidigital number, since it uses as much as digits as its factorization.

1310011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24717244.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1310011123 is about 36194.0757997770. The cubic root of 1310011123 is about 1094.1872782023.

Adding to 1310011123 its reverse (3211100131), we get a palindrome (4521111254).

The spelling of 1310011123 in words is "one billion, three hundred ten million, eleven thousand, one hundred twenty-three".