1313113211123 has 8 divisors (see below), whose sum is σ = 1503782337792. Its totient is φ = 1123214465736.

The previous prime is 1313113211119. The next prime is 1313113211209. The reversal of 1313113211123 is 3211123113131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313113211123 - 2² = 1313113211119 is a prime.

It is a super-2 number, since 2×1313113211123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313113211023) 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, 192591665 + ... + 192598482.

It is an arithmetic number, because the mean of its divisors is an integer number (187972792224).

Almost surely, 2^{1313113211123} is an apocalyptic number.

1313113211123 is a deficient number, since it is larger than the sum of its proper divisors (190669126669).

1313113211123 is an equidigital number, since it uses as much as digits as its factorization.

1313113211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385190641.

The product of its digits is 324, while the sum is 23.

Adding to 1313113211123 its reverse (3211123113131), we get a palindrome (4524236324254).

The spelling of 1313113211123 in words is "one trillion, three hundred thirteen billion, one hundred thirteen million, two hundred eleven thousand, one hundred twenty-three".