3120231121 has 8 divisors (see below), whose sum is σ = 3566589440. Its totient is φ = 2674025568.

The previous prime is 3120231113. The next prime is 3120231131. The reversal of 3120231121 is 1211320213.

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 3120231121 - 2³ = 3120231113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3120231095 and 3120231104.

It is not an unprimeable number, because it can be changed into a prime (3120231131) 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, 9565 + ... + 79573.

It is an arithmetic number, because the mean of its divisors is an integer number (445823680).

Almost surely, 2^3120231121 is an apocalyptic number.

It is an amenable number.

3120231121 is a deficient number, since it is larger than the sum of its proper divisors (446358319).

3120231121 is an equidigital number, since it uses as much as digits as its factorization.

3120231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76383.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3120231121 is about 55859.0290015858. The cubic root of 3120231121 is about 1461.2647951868.

Adding to 3120231121 its reverse (1211320213), we get a palindrome (4331551334).

The spelling of 3120231121 in words is "three billion, one hundred twenty million, two hundred thirty-one thousand, one hundred twenty-one".