3101323121 has 4 divisors (see below), whose sum is σ = 3339886452. Its totient is φ = 2862759792.

The previous prime is 3101323087. The next prime is 3101323157. The reversal of 3101323121 is 1213231013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1213231013 = 61 ⋅19889033.

It can be written as a sum of positive squares in 2 ways, for example, as 240250000 + 2861073121 = 15500^2 + 53489^2 .

It is a cyclic number.

It is not a de Polignac number, because 3101323121 - 2²² = 3097128817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3101323121.

It is not an unprimeable number, because it can be changed into a prime (3101323171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119281646 + ... + 119281671.

It is an arithmetic number, because the mean of its divisors is an integer number (834971613).

Almost surely, 2^3101323121 is an apocalyptic number.

It is an amenable number.

3101323121 is a deficient number, since it is larger than the sum of its proper divisors (238563331).

3101323121 is a wasteful number, since it uses less digits than its factorization.

3101323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238563330.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3101323121 is about 55689.5243380656. The cubic root of 3101323121 is about 1458.3071517375.

Adding to 3101323121 its reverse (1213231013), we get a palindrome (4314554134).

The spelling of 3101323121 in words is "three billion, one hundred one million, three hundred twenty-three thousand, one hundred twenty-one".