3133020545 has 4 divisors (see below), whose sum is σ = 3759624660. Its totient is φ = 2506416432.

The previous prime is 3133020533. The next prime is 3133020551. The reversal of 3133020545 is 5450203313.

3133020545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5450203313 = 30469 ⋅178877.

It can be written as a sum of positive squares in 2 ways, for example, as 1706598721 + 1426421824 = 41311^2 + 37768^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133020545 - 2²² = 3128826241 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313302050 + ... + 313302059.

It is an arithmetic number, because the mean of its divisors is an integer number (939906165).

Almost surely, 2^3133020545 is an apocalyptic number.

It is an amenable number.

3133020545 is a deficient number, since it is larger than the sum of its proper divisors (626604115).

3133020545 is an equidigital number, since it uses as much as digits as its factorization.

3133020545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626604114.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3133020545 is about 55973.3914016294. The cubic root of 3133020545 is about 1463.2585853975.

Adding to 3133020545 its reverse (5450203313), we get a palindrome (8583223858).

The spelling of 3133020545 in words is "three billion, one hundred thirty-three million, twenty thousand, five hundred forty-five".