5231533431 has 4 divisors (see below), whose sum is σ = 6975377912. Its totient is φ = 3487688952.

The previous prime is 5231533337. The next prime is 5231533441. The reversal of 5231533431 is 1343351325.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5231533431 - 2¹⁴ = 5231517047 is a prime.

It is a super-2 number, since 2×5231533431² = 54737884079341263522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231533441) 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, 871922236 + ... + 871922241.

It is an arithmetic number, because the mean of its divisors is an integer number (1743844478).

Almost surely, 2^5231533431 is an apocalyptic number.

5231533431 is a deficient number, since it is larger than the sum of its proper divisors (1743844481).

5231533431 is a wasteful number, since it uses less digits than its factorization.

5231533431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743844480.

The product of its digits is 16200, while the sum is 30.

The square root of 5231533431 is about 72329.3400426134. The cubic root of 5231533431 is about 1735.9731416444.

Adding to 5231533431 its reverse (1343351325), we get a palindrome (6574884756).

The spelling of 5231533431 in words is "five billion, two hundred thirty-one million, five hundred thirty-three thousand, four hundred thirty-one".