1313331123 has 8 divisors (see below), whose sum is σ = 1885808848. Its totient is φ = 808203744.

The previous prime is 1313331109. The next prime is 1313331127. The reversal of 1313331123 is 3211333131.

1313331123 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313331123 - 2⁸ = 1313330867 is a prime.

It is a super-2 number, since 2×1313331123² = 3449677277280882258, which contains 22 as substring.

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 1313331123.

It is not an unprimeable number, because it can be changed into a prime (1313331127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16837540 + ... + 16837617.

It is an arithmetic number, because the mean of its divisors is an integer number (235726106).

Almost surely, 2^1313331123 is an apocalyptic number.

1313331123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1313331123 is a deficient number, since it is larger than the sum of its proper divisors (572477725).

1313331123 is a wasteful number, since it uses less digits than its factorization.

1313331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33675173.

The product of its digits is 486, while the sum is 21.

The square root of 1313331123 is about 36239.9106373070. The cubic root of 1313331123 is about 1095.1108421813.

Adding to 1313331123 its reverse (3211333131), we get a palindrome (4524664254).

The spelling of 1313331123 in words is "one billion, three hundred thirteen million, three hundred thirty-one thousand, one hundred twenty-three".