3116621503 has 4 divisors (see below), whose sum is σ = 3224091240. Its totient is φ = 3009151768.

The previous prime is 3116621489. The next prime is 3116621507. The reversal of 3116621503 is 3051266113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3116621503 - 2¹⁷ = 3116490431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116621507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53734825 + ... + 53734882.

It is an arithmetic number, because the mean of its divisors is an integer number (806022810).

Almost surely, 2^3116621503 is an apocalyptic number.

3116621503 is a deficient number, since it is larger than the sum of its proper divisors (107469737).

3116621503 is a wasteful number, since it uses less digits than its factorization.

3116621503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107469736.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3116621503 is about 55826.7095842125. The cubic root of 3116621503 is about 1460.7010930362.

Adding to 3116621503 its reverse (3051266113), we get a palindrome (6167887616).

The spelling of 3116621503 in words is "three billion, one hundred sixteen million, six hundred twenty-one thousand, five hundred three".