1310321322123 has 32 divisors (see below), whose sum is σ = 1929110867712. Its totient is φ = 784474320000.

The previous prime is 1310321322047. The next prime is 1310321322133. The reversal of 1310321322123 is 3212231230131.

It is not a de Polignac number, because 1310321322123 - 2¹² = 1310321318027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310321322093 and 1310321322102.

It is not an unprimeable number, because it can be changed into a prime (1310321322133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28739461 + ... + 28785017.

It is an arithmetic number, because the mean of its divisors is an integer number (60284714616).

Almost surely, 2^{1310321322123} is an apocalyptic number.

1310321322123 is a deficient number, since it is larger than the sum of its proper divisors (618789545589).

1310321322123 is a wasteful number, since it uses less digits than its factorization.

1310321322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56155.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1310321322123 its reverse (3212231230131), we get a palindrome (4522552552254).

The spelling of 1310321322123 in words is "one trillion, three hundred ten billion, three hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty-three".