121311313231313 has 8 divisors (see below), whose sum is σ = 123900788714880. Its totient is φ = 118722187069200.

The previous prime is 121311313231271. The next prime is 121311313231411. The reversal of 121311313231313 is 313132313113121.

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 121311313231313 - 2³⁸ = 121036435324369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121311313231513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86628338 + ... + 88017563.

It is an arithmetic number, because the mean of its divisors is an integer number (15487598589360).

Almost surely, 2^{121311313231313} is an apocalyptic number.

It is an amenable number.

121311313231313 is a deficient number, since it is larger than the sum of its proper divisors (2589475483567).

121311313231313 is a wasteful number, since it uses less digits than its factorization.

121311313231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174660727.

The product of its digits is 2916, while the sum is 29.

Adding to 121311313231313 its reverse (313132313113121), we get a palindrome (434443626344434).

The spelling of 121311313231313 in words is "one hundred twenty-one trillion, three hundred eleven billion, three hundred thirteen million, two hundred thirty-one thousand, three hundred thirteen".