311130023032121 has 8 divisors (see below), whose sum is σ = 329793404684544. Its totient is φ = 292506820889920.

The previous prime is 311130023032111. The next prime is 311130023032123. The reversal of 311130023032121 is 121230320031113.

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

It is a de Polignac number, because none of the positive numbers 2^k-311130023032121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311130023032123) 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 7 ways as a sum of consecutive naturals, for example, 10044861605 + ... + 10044892578.

It is an arithmetic number, because the mean of its divisors is an integer number (41224175585568).

Almost surely, 2^{311130023032121} is an apocalyptic number.

It is an amenable number.

311130023032121 is a deficient number, since it is larger than the sum of its proper divisors (18663381652423).

311130023032121 is a wasteful number, since it uses less digits than its factorization.

311130023032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20089755111.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 311130023032121 its reverse (121230320031113), we get a palindrome (432360343063234).

The spelling of 311130023032121 in words is "three hundred eleven trillion, one hundred thirty billion, twenty-three million, thirty-two thousand, one hundred twenty-one".