1313111123102 has 4 divisors (see below), whose sum is σ = 1969666684656. Its totient is φ = 656555561550.

The previous prime is 1313111123101. The next prime is 1313111123111. The reversal of 1313111123102 is 2013211113131.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1313111123102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313111123101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328277780774 + ... + 328277780777.

It is an arithmetic number, because the mean of its divisors is an integer number (492416671164).

Almost surely, 2^{1313111123102} is an apocalyptic number.

1313111123102 is a deficient number, since it is larger than the sum of its proper divisors (656555561554).

1313111123102 is an equidigital number, since it uses as much as digits as its factorization.

1313111123102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656555561553.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1313111123102 its reverse (2013211113131), we get a palindrome (3326322236233).

The spelling of 1313111123102 in words is "one trillion, three hundred thirteen billion, one hundred eleven million, one hundred twenty-three thousand, one hundred two".