3201023121 has 16 divisors (see below), whose sum is σ = 4305776640. Its totient is φ = 2115182160.

The previous prime is 3201023113. The next prime is 3201023131. The reversal of 3201023121 is 1213201023.

It is not a de Polignac number, because 3201023121 - 2³ = 3201023113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3201023121.

It is not an unprimeable number, because it can be changed into a prime (3201023131) 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 15 ways as a sum of consecutive naturals, for example, 356736 + ... + 365598.

It is an arithmetic number, because the mean of its divisors is an integer number (269111040).

Almost surely, 2^3201023121 is an apocalyptic number.

It is an amenable number.

3201023121 is a deficient number, since it is larger than the sum of its proper divisors (1104753519).

3201023121 is a wasteful number, since it uses less digits than its factorization.

3201023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9916.

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

The square root of 3201023121 is about 56577.5849696680. The cubic root of 3201023121 is about 1473.7696331378.

Adding to 3201023121 its reverse (1213201023), we get a palindrome (4414224144).

It can be divided in two parts, 3201023 and 121, that multiplied together give a palindrome (387323783).

The spelling of 3201023121 in words is "three billion, two hundred one million, twenty-three thousand, one hundred twenty-one".