3141245581 has 2 divisors, whose sum is σ = 3141245582. Its totient is φ = 3141245580.

The previous prime is 3141245537. The next prime is 3141245587. The reversal of 3141245581 is 1855421413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2052905481 + 1088340100 = 45309^2 + 32990^2 .

It is a cyclic number.

It is not a de Polignac number, because 3141245581 - 2⁷ = 3141245453 is a prime.

It is a super-2 number, since 2×3141245581² = 19734847600304055122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3141245587) 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 as a sum of consecutive naturals, namely, 1570622790 + 1570622791.

It is an arithmetic number, because the mean of its divisors is an integer number (1570622791).

Almost surely, 2^3141245581 is an apocalyptic number.

It is an amenable number.

3141245581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3141245581 is an equidigital number, since it uses as much as digits as its factorization.

3141245581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 34.

The square root of 3141245581 is about 56046.8159755753. The cubic root of 3141245581 is about 1464.5379511800.

Adding to 3141245581 its reverse (1855421413), we get a palindrome (4996666994).

The spelling of 3141245581 in words is "three billion, one hundred forty-one million, two hundred forty-five thousand, five hundred eighty-one".