3145532113 has 4 divisors (see below), whose sum is σ = 3188621668. Its totient is φ = 3102442560.

The previous prime is 3145532111. The next prime is 3145532123. The reversal of 3145532113 is 3112355413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3112355413 = 263 ⋅11834051.

It can be written as a sum of positive squares in 2 ways, for example, as 1443392064 + 1702140049 = 37992^2 + 41257^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145532113 - 2¹ = 3145532111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3145532111) 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, 21544668 + ... + 21544813.

It is an arithmetic number, because the mean of its divisors is an integer number (797155417).

Almost surely, 2^3145532113 is an apocalyptic number.

It is an amenable number.

3145532113 is a deficient number, since it is larger than the sum of its proper divisors (43089555).

3145532113 is an equidigital number, since it uses as much as digits as its factorization.

3145532113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43089554.

The product of its digits is 5400, while the sum is 28.

The square root of 3145532113 is about 56085.0435766970. The cubic root of 3145532113 is about 1465.2038160676.

Adding to 3145532113 its reverse (3112355413), we get a palindrome (6257887526).

The spelling of 3145532113 in words is "three billion, one hundred forty-five million, five hundred thirty-two thousand, one hundred thirteen".