4312531040 has 48 divisors (see below), whose sum is σ = 10199930832. Its totient is φ = 1723052544.

The previous prime is 4312531039. The next prime is 4312531063. The reversal of 4312531040 is 401352134.

It is a junction number, because it is equal to n+sod(n) for n = 4312530997 and 4312531015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130262 + ... + 159978.

It is an arithmetic number, because the mean of its divisors is an integer number (212498559).

Almost surely, 2^4312531040 is an apocalyptic number.

4312531040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4312531040 is an abundant number, since it is smaller than the sum of its proper divisors (5887399792).

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

4312531040 is a wasteful number, since it uses less digits than its factorization.

4312531040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30639 (or 30631 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4312531040 is about 65669.8640169142. The cubic root of 4312531040 is about 1627.7114231122.

Adding to 4312531040 its reverse (401352134), we get a palindrome (4713883174).

The spelling of 4312531040 in words is "four billion, three hundred twelve million, five hundred thirty-one thousand, forty".