3132020261 has 2 divisors, whose sum is σ = 3132020262. Its totient is φ = 3132020260.

The previous prime is 3132020183. The next prime is 3132020273. The reversal of 3132020261 is 1620202313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3089692225 + 42328036 = 55585^2 + 6506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3132020261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3132020461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566010130 + 1566010131.

It is an arithmetic number, because the mean of its divisors is an integer number (1566010131).

Almost surely, 2^3132020261 is an apocalyptic number.

It is an amenable number.

3132020261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3132020261 is an equidigital number, since it uses as much as digits as its factorization.

3132020261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3132020261 is about 55964.4553355074. The cubic root of 3132020261 is about 1463.1028432601.

Adding to 3132020261 its reverse (1620202313), we get a palindrome (4752222574).

The spelling of 3132020261 in words is "three billion, one hundred thirty-two million, twenty thousand, two hundred sixty-one".