3200312121 has 4 divisors (see below), whose sum is σ = 4267082832. Its totient is φ = 2133541412.

The previous prime is 3200312119. The next prime is 3200312147. The reversal of 3200312121 is 1212130023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3200312121 - 2¹ = 3200312119 is a prime.

It is a super-3 number, since 3×3200312121³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3200312121.

It is not an unprimeable number, because it can be changed into a prime (3200310121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533385351 + ... + 533385356.

It is an arithmetic number, because the mean of its divisors is an integer number (1066770708).

Almost surely, 2^3200312121 is an apocalyptic number.

It is an amenable number.

3200312121 is a deficient number, since it is larger than the sum of its proper divisors (1066770711).

3200312121 is a wasteful number, since it uses less digits than its factorization.

3200312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066770710.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3200312121 is about 56571.3012136012. The cubic root of 3200312121 is about 1473.6605088817.

Adding to 3200312121 its reverse (1212130023), we get a palindrome (4412442144).

The spelling of 3200312121 in words is "three billion, two hundred million, three hundred twelve thousand, one hundred twenty-one".