1313231202105 has 8 divisors (see below), whose sum is σ = 2101169923392. Its totient is φ = 700389974448.

The previous prime is 1313231202103. The next prime is 1313231202109. The reversal of 1313231202105 is 5012021323131.

It is a happy number.

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

It is not a de Polignac number, because 1313231202105 - 2¹ = 1313231202103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313231202103) 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, 43774373389 + ... + 43774373418.

It is an arithmetic number, because the mean of its divisors is an integer number (262646240424).

Almost surely, 2^{1313231202105} is an apocalyptic number.

1313231202105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313231202105 is a deficient number, since it is larger than the sum of its proper divisors (787938721287).

1313231202105 is an equidigital number, since it uses as much as digits as its factorization.

1313231202105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87548746815.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1313231202105 its reverse (5012021323131), we get a palindrome (6325252525236).

The spelling of 1313231202105 in words is "one trillion, three hundred thirteen billion, two hundred thirty-one million, two hundred two thousand, one hundred five".