1313311013123 has 8 divisors (see below), whose sum is σ = 1354381378560. Its totient is φ = 1272867676360.

The previous prime is 1313311013093. The next prime is 1313311013129. The reversal of 1313311013123 is 3213101133131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313311013123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313311013129) 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, 156752915 + ... + 156761292.

It is an arithmetic number, because the mean of its divisors is an integer number (169297672320).

Almost surely, 2^{1313311013123} is an apocalyptic number.

1313311013123 is a deficient number, since it is larger than the sum of its proper divisors (41070365437).

1313311013123 is an equidigital number, since it uses as much as digits as its factorization.

1313311013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313514337.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1313311013123 its reverse (3213101133131), we get a palindrome (4526412146254).

The spelling of 1313311013123 in words is "one trillion, three hundred thirteen billion, three hundred eleven million, thirteen thousand, one hundred twenty-three".