31350644053 has 4 divisors (see below), whose sum is σ = 31363033248. Its totient is φ = 31338254860.

The previous prime is 31350644051. The next prime is 31350644093. The reversal of 31350644053 is 35044605313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35044605313 = 41981 ⋅834773.

It is a cyclic number.

It is not a de Polignac number, because 31350644053 - 2¹ = 31350644051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31350644051) 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 3 ways as a sum of consecutive naturals, for example, 6190801 + ... + 6195862.

It is an arithmetic number, because the mean of its divisors is an integer number (7840758312).

Almost surely, 2^31350644053 is an apocalyptic number.

It is an amenable number.

31350644053 is a deficient number, since it is larger than the sum of its proper divisors (12389195).

31350644053 is a wasteful number, since it uses less digits than its factorization.

31350644053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12389194.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 31350644053 in words is "thirty-one billion, three hundred fifty million, six hundred forty-four thousand, fifty-three".