5240311531 has 8 divisors (see below), whose sum is σ = 6449614304. Its totient is φ = 4146180480.

The previous prime is 5240311507. The next prime is 5240311543. The reversal of 5240311531 is 1351130425.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5240311531 - 2⁷ = 5240311403 is a prime.

It is a super-2 number, since 2×5240311531² = 54921729883863127922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5240311496 and 5240311505.

It is not an unprimeable number, because it can be changed into a prime (5240351531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28792830 + ... + 28793011.

It is an arithmetic number, because the mean of its divisors is an integer number (806201788).

Almost surely, 2^5240311531 is an apocalyptic number.

5240311531 is a deficient number, since it is larger than the sum of its proper divisors (1209302773).

5240311531 is a wasteful number, since it uses less digits than its factorization.

5240311531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57585861.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5240311531 is about 72389.9960698991. The cubic root of 5240311531 is about 1736.9435410468.

Adding to 5240311531 its reverse (1351130425), we get a palindrome (6591441956).

The spelling of 5240311531 in words is "five billion, two hundred forty million, three hundred eleven thousand, five hundred thirty-one".