5145205031 has 4 divisors (see below), whose sum is σ = 5146472352. Its totient is φ = 5143937712.

The previous prime is 5145205019. The next prime is 5145205049. The reversal of 5145205031 is 1305025415.

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 5145205031 - 2¹⁰ = 5145204007 is a prime.

It is a super-2 number, since 2×5145205031² = 52946269622055421922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145205001) 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, 627551 + ... + 635696.

It is an arithmetic number, because the mean of its divisors is an integer number (1286618088).

Almost surely, 2^5145205031 is an apocalyptic number.

5145205031 is a deficient number, since it is larger than the sum of its proper divisors (1267321).

5145205031 is a wasteful number, since it uses less digits than its factorization.

5145205031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267320.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5145205031 is about 71730.0845601063. The cubic root of 5145205031 is about 1726.3713836962.

The spelling of 5145205031 in words is "five billion, one hundred forty-five million, two hundred five thousand, thirty-one".