311003022132121 has 8 divisors (see below), whose sum is σ = 339280783896384. Its totient is φ = 282726053659920.

The previous prime is 311003022132079. The next prime is 311003022132149. The reversal of 311003022132121 is 121231220300113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311003022132121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311003022132092 and 311003022132101.

It is not an unprimeable number, because it can be changed into a prime (311003022132191) 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, 197503141 + ... + 199071586.

It is an arithmetic number, because the mean of its divisors is an integer number (42410097987048).

Almost surely, 2^{311003022132121} is an apocalyptic number.

It is an amenable number.

311003022132121 is a deficient number, since it is larger than the sum of its proper divisors (28277761764263).

311003022132121 is a wasteful number, since it uses less digits than its factorization.

311003022132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396646031.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 311003022132121 its reverse (121231220300113), we get a palindrome (432234242432234).

The spelling of 311003022132121 in words is "three hundred eleven trillion, three billion, twenty-two million, one hundred thirty-two thousand, one hundred twenty-one".