5431321340 has 12 divisors (see below), whose sum is σ = 11405774856. Its totient is φ = 2172528528.

The previous prime is 5431321331. The next prime is 5431321367. The reversal of 5431321340 is 431231345.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 135783014 + ... + 135783053.

It is an arithmetic number, because the mean of its divisors is an integer number (950481238).

Almost surely, 2^5431321340 is an apocalyptic number.

It is an amenable number.

5431321340 is an abundant number, since it is smaller than the sum of its proper divisors (5974453516).

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

5431321340 is a wasteful number, since it uses less digits than its factorization.

5431321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271566076 (or 271566074 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 5431321340 is about 73697.4988720784. The cubic root of 5431321340 is about 1757.7961115151.

Adding to 5431321340 its reverse (431231345), we get a palindrome (5862552685).

The spelling of 5431321340 in words is "five billion, four hundred thirty-one million, three hundred twenty-one thousand, three hundred forty".