5311431252305 has 16 divisors (see below), whose sum is σ = 6386794983504. Its totient is φ = 4240428840960.

The previous prime is 5311431252293. The next prime is 5311431252329. The reversal of 5311431252305 is 5032521341135.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 166196459584 + 5145234792721 = 407672^2 + 2268311^2 .

It is not a de Polignac number, because 5311431252305 - 2¹² = 5311431248209 is a prime.

It is a super-2 number, since 2×5311431252305² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20169947 + ... + 20431583.

It is an arithmetic number, because the mean of its divisors is an integer number (399174686469).

Almost surely, 2^{5311431252305} is an apocalyptic number.

It is an amenable number.

5311431252305 is a deficient number, since it is larger than the sum of its proper divisors (1075363731199).

5311431252305 is a wasteful number, since it uses less digits than its factorization.

5311431252305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269956.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 5311431252305 in words is "five trillion, three hundred eleven billion, four hundred thirty-one million, two hundred fifty-two thousand, three hundred five".