3141155521 has 4 divisors (see below), whose sum is σ = 3589892032. Its totient is φ = 2692419012.

The previous prime is 3141155519. The next prime is 3141155527. The reversal of 3141155521 is 1255511413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3141155521 - 2¹ = 3141155519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3141155521.

It is not an unprimeable number, because it can be changed into a prime (3141155527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224368245 + ... + 224368258.

It is an arithmetic number, because the mean of its divisors is an integer number (897473008).

Almost surely, 2^3141155521 is an apocalyptic number.

It is an amenable number.

3141155521 is a deficient number, since it is larger than the sum of its proper divisors (448736511).

3141155521 is an equidigital number, since it uses as much as digits as its factorization.

3141155521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448736510.

The product of its digits is 3000, while the sum is 28.

The square root of 3141155521 is about 56046.0125343454. The cubic root of 3141155521 is about 1464.5239548692.

Adding to 3141155521 its reverse (1255511413), we get a palindrome (4396666934).

The spelling of 3141155521 in words is "three billion, one hundred forty-one million, one hundred fifty-five thousand, five hundred twenty-one".