5311531040 has 48 divisors (see below), whose sum is σ = 12625538688. Its totient is φ = 2111567616.

The previous prime is 5311531037. The next prime is 5311531129. The reversal of 5311531040 is 401351135.

It is a junction number, because it is equal to n+sod(n) for n = 5311530997 and 5311531015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75752 + ... + 127911.

It is an arithmetic number, because the mean of its divisors is an integer number (263032056).

Almost surely, 2^5311531040 is an apocalyptic number.

It is an amenable number.

5311531040 is an abundant number, since it is smaller than the sum of its proper divisors (7314007648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5311531040 is a wasteful number, since it uses less digits than its factorization.

5311531040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203841 (or 203833 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5311531040 is about 72880.2513716850. The cubic root of 5311531040 is about 1744.7769207691.

Adding to 5311531040 its reverse (401351135), we get a palindrome (5712882175).

The spelling of 5311531040 in words is "five billion, three hundred eleven million, five hundred thirty-one thousand, forty".