1310311123 has 8 divisors (see below), whose sum is σ = 1446653376. Its totient is φ = 1176839400.

The previous prime is 1310311097. The next prime is 1310311129. The reversal of 1310311123 is 3211130131.

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

It is a de Polignac number, because none of the positive numbers 2^k-1310311123 is a prime.

It is a super-2 number, since 2×1310311123² = 3433830478115042258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310311097 and 1310311106.

It is not an unprimeable number, because it can be changed into a prime (1310311129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716673 + ... + 718498.

It is an arithmetic number, because the mean of its divisors is an integer number (180831672).

Almost surely, 2^1310311123 is an apocalyptic number.

1310311123 is a deficient number, since it is larger than the sum of its proper divisors (136342253).

1310311123 is a wasteful number, since it uses less digits than its factorization.

1310311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435265.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1310311123 is about 36198.2198871712. The cubic root of 1310311123 is about 1094.2707968644.

Adding to 1310311123 its reverse (3211130131), we get a palindrome (4521441254).

The spelling of 1310311123 in words is "one billion, three hundred ten million, three hundred eleven thousand, one hundred twenty-three".