311232002102121 has 16 divisors (see below), whose sum is σ = 415375942199040. Its totient is φ = 207288036555600.

The previous prime is 311232002102117. The next prime is 311232002102201. The reversal of 311232002102121 is 121201200232113.

It is not a de Polignac number, because 311232002102121 - 2² = 311232002102117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311232002102321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276280750 + ... + 277404968.

It is an arithmetic number, because the mean of its divisors is an integer number (25960996387440).

Almost surely, 2^{311232002102121} is an apocalyptic number.

It is an amenable number.

311232002102121 is a deficient number, since it is larger than the sum of its proper divisors (104143940096919).

311232002102121 is a wasteful number, since it uses less digits than its factorization.

311232002102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213076.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 311232002102121 its reverse (121201200232113), we get a palindrome (432433202334234).

The spelling of 311232002102121 in words is "three hundred eleven trillion, two hundred thirty-two billion, two million, one hundred two thousand, one hundred twenty-one".