31323000541 has 6 divisors (see below), whose sum is σ = 36436959870. Its totient is φ = 26848286136.

The previous prime is 31323000517. The next prime is 31323000559. The reversal of 31323000541 is 14500032313.

It can be written as a sum of positive squares in only one way, i.e., 30495287641 + 827712900 = 174629^2 + 28770^2 .

It is not a de Polignac number, because 31323000541 - 2⁹ = 31323000029 is a prime.

It is a super-2 number, since 2×31323000541² (a number of 22 digits) 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 (31423000541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 319622406 + ... + 319622503.

It is an arithmetic number, because the mean of its divisors is an integer number (6072826645).

Almost surely, 2^31323000541 is an apocalyptic number.

It is an amenable number.

31323000541 is a deficient number, since it is larger than the sum of its proper divisors (5113959329).

31323000541 is an equidigital number, since it uses as much as digits as its factorization.

31323000541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639244923 (or 639244916 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 31323000541 its reverse (14500032313), we get a palindrome (45823032854).

The spelling of 31323000541 in words is "thirty-one billion, three hundred twenty-three million, five hundred forty-one", and thus it is an aban number.