3205312141 has 24 divisors (see below), whose sum is σ = 3593454840. Its totient is φ = 2848766976.

The previous prime is 3205312139. The next prime is 3205312147. The reversal of 3205312141 is 1412135023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1853646916 + 1351665225 = 43054^2 + 36765^2 .

It is not a de Polignac number, because 3205312141 - 2¹ = 3205312139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205312147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2509395 + ... + 2510671.

It is an arithmetic number, because the mean of its divisors is an integer number (149727285).

Almost surely, 2^3205312141 is an apocalyptic number.

It is an amenable number.

3205312141 is a deficient number, since it is larger than the sum of its proper divisors (388142699).

3205312141 is a wasteful number, since it uses less digits than its factorization.

3205312141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741 (or 1722 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3205312141 is about 56615.4761615585. The cubic root of 3205312141 is about 1474.4275692758.

Adding to 3205312141 its reverse (1412135023), we get a palindrome (4617447164).

The spelling of 3205312141 in words is "three billion, two hundred five million, three hundred twelve thousand, one hundred forty-one".