5306013731 has 4 divisors (see below), whose sum is σ = 5306160912. Its totient is φ = 5305866552.

The previous prime is 5306013683. The next prime is 5306013761. The reversal of 5306013731 is 1373106035.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5306013731 is a prime.

It is a super-2 number, since 2×5306013731² = 56307563427121080722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5306013694 and 5306013703.

It is not an unprimeable number, because it can be changed into a prime (5306013761) 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, 21101 + ... + 105153.

It is an arithmetic number, because the mean of its divisors is an integer number (1326540228).

Almost surely, 2^5306013731 is an apocalyptic number.

5306013731 is a deficient number, since it is larger than the sum of its proper divisors (147181).

5306013731 is an equidigital number, since it uses as much as digits as its factorization.

5306013731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147180.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 5306013731 is about 72842.3896573966. The cubic root of 5306013731 is about 1744.1725872665.

Adding to 5306013731 its reverse (1373106035), we get a palindrome (6679119766).

The spelling of 5306013731 in words is "five billion, three hundred six million, thirteen thousand, seven hundred thirty-one".