5121103131 has 12 divisors (see below), whose sum is σ = 7402237960. Its totient is φ = 3411720000.

The previous prime is 5121103129. The next prime is 5121103133. The reversal of 5121103131 is 1313011215.

It is an interprime number because it is at equal distance from previous prime (5121103129) and next prime (5121103133).

It is not a de Polignac number, because 5121103131 - 2¹ = 5121103129 is a prime.

It is a super-2 number, since 2×5121103131² = 52451394556676006322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121103133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181870 + ... + 208131.

Almost surely, 2^5121103131 is an apocalyptic number.

5121103131 is a deficient number, since it is larger than the sum of its proper divisors (2281134829).

5121103131 is a wasteful number, since it uses less digits than its factorization.

5121103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391466 (or 391463 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 5121103131 is about 71561.8832270364. The cubic root of 5121103131 is about 1723.6715256208.

Adding to 5121103131 its reverse (1313011215), we get a palindrome (6434114346).

The spelling of 5121103131 in words is "five billion, one hundred twenty-one million, one hundred three thousand, one hundred thirty-one".