5145113431 has 4 divisors (see below), whose sum is σ = 5311084864. Its totient is φ = 4979142000.

The previous prime is 5145113429. The next prime is 5145113471. The reversal of 5145113431 is 1343115415.

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 5145113431 - 2¹ = 5145113429 is a prime.

It is a super-2 number, since 2×5145113431² = 52944384435713183522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5145113431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145113471) 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, 82985670 + ... + 82985731.

It is an arithmetic number, because the mean of its divisors is an integer number (1327771216).

Almost surely, 2^5145113431 is an apocalyptic number.

5145113431 is a deficient number, since it is larger than the sum of its proper divisors (165971433).

5145113431 is a wasteful number, since it uses less digits than its factorization.

5145113431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165971432.

The product of its digits is 3600, while the sum is 28.

The square root of 5145113431 is about 71729.4460525104. The cubic root of 5145113431 is about 1726.3611387817.

Adding to 5145113431 its reverse (1343115415), we get a palindrome (6488228846).

The spelling of 5145113431 in words is "five billion, one hundred forty-five million, one hundred thirteen thousand, four hundred thirty-one".