5231321433 has 48 divisors (see below), whose sum is σ = 8592554880. Its totient is φ = 3040353792.

The previous prime is 5231321429. The next prime is 5231321441. The reversal of 5231321433 is 3341231325.

5231321433 is a `hidden beast` number, since 523 + 132 + 1 + 4 + 3 + 3 = 666.

It is not a de Polignac number, because 5231321433 - 2² = 5231321429 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5231321397 and 5231321406.

It is not an unprimeable number, because it can be changed into a prime (5231321423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 745660 + ... + 752642.

It is an arithmetic number, because the mean of its divisors is an integer number (179011560).

Almost surely, 2^5231321433 is an apocalyptic number.

It is an amenable number.

5231321433 is a deficient number, since it is larger than the sum of its proper divisors (3361233447).

5231321433 is a wasteful number, since it uses less digits than its factorization.

5231321433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358 (or 7355 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 5231321433 is about 72327.8745228975. The cubic root of 5231321433 is about 1735.9496923179.

Adding to 5231321433 its reverse (3341231325), we get a palindrome (8572552758).

The spelling of 5231321433 in words is "five billion, two hundred thirty-one million, three hundred twenty-one thousand, four hundred thirty-three".