3200203121 has 2 divisors, whose sum is σ = 3200203122. Its totient is φ = 3200203120.

The previous prime is 3200203073. The next prime is 3200203169. The reversal of 3200203121 is 1213020023.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (3200203073) and next prime (3200203169).

It can be written as a sum of positive squares in only one way, i.e., 2317459600 + 882743521 = 48140^2 + 29711^2 .

It is a cyclic number.

It is not a de Polignac number, because 3200203121 - 2⁶ = 3200203057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3200203096 and 3200203105.

It is not a weakly prime, because it can be changed into another prime (3200200121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600101560 + 1600101561.

It is an arithmetic number, because the mean of its divisors is an integer number (1600101561).

Almost surely, 2^3200203121 is an apocalyptic number.

It is an amenable number.

3200203121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200203121 is an equidigital number, since it uses as much as digits as its factorization.

3200203121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3200203121 is about 56570.3378193908. The cubic root of 3200203121 is about 1473.6437781366.

Adding to 3200203121 its reverse (1213020023), we get a palindrome (4413223144).

The spelling of 3200203121 in words is "three billion, two hundred million, two hundred three thousand, one hundred twenty-one".