3231602081 has 2 divisors, whose sum is σ = 3231602082. Its totient is φ = 3231602080.

The previous prime is 3231602071. The next prime is 3231602107. The reversal of 3231602081 is 1802061323.

It is an a-pointer prime, because the next prime (3231602107) can be obtained adding 3231602081 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1912750225 + 1318851856 = 43735^2 + 36316^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231602081 - 2¹⁰ = 3231601057 is a prime.

It is a super-2 number, since 2×3231602081² = 20886504019847061122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3231602081.

It is not a weakly prime, because it can be changed into another prime (3231602041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615801040 + 1615801041.

It is an arithmetic number, because the mean of its divisors is an integer number (1615801041).

Almost surely, 2^3231602081 is an apocalyptic number.

It is an amenable number.

3231602081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231602081 is an equidigital number, since it uses as much as digits as its factorization.

3231602081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3231602081 is about 56847.1818210894. The cubic root of 3231602081 is about 1478.4476786074.

The spelling of 3231602081 in words is "three billion, two hundred thirty-one million, six hundred two thousand, eighty-one".