311124121 has 8 divisors (see below), whose sum is σ = 387895104. Its totient is φ = 242434320.

The previous prime is 311124103. The next prime is 311124179. The reversal of 311124121 is 121421113.

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 311124121 - 2⁹ = 311123609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311124095 and 311124104.

It is not an unprimeable number, because it can be changed into a prime (311124721) 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, 2020210 + ... + 2020363.

It is an arithmetic number, because the mean of its divisors is an integer number (48486888).

Almost surely, 2^311124121 is an apocalyptic number.

It is an amenable number.

311124121 is a deficient number, since it is larger than the sum of its proper divisors (76770983).

311124121 is a wasteful number, since it uses less digits than its factorization.

311124121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040591.

The product of its digits is 48, while the sum is 16.

The square root of 311124121 is about 17638.7108655933. The cubic root of 311124121 is about 677.6070162237.

Adding to 311124121 its reverse (121421113), we get a palindrome (432545234).

The spelling of 311124121 in words is "three hundred eleven million, one hundred twenty-four thousand, one hundred twenty-one".