31575244253 has 16 divisors (see below), whose sum is σ = 38308515840. Its totient is φ = 25405921536.

The previous prime is 31575244243. The next prime is 31575244303. The reversal of 31575244253 is 35244257513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31575244253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31575244253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31575244213) 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 15 ways as a sum of consecutive naturals, for example, 300818 + ... + 391971.

It is an arithmetic number, because the mean of its divisors is an integer number (2394282240).

Almost surely, 2^31575244253 is an apocalyptic number.

It is an amenable number.

31575244253 is a deficient number, since it is larger than the sum of its proper divisors (6733271587).

31575244253 is a wasteful number, since it uses less digits than its factorization.

31575244253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693196.

The product of its digits is 504000, while the sum is 41.

The spelling of 31575244253 in words is "thirty-one billion, five hundred seventy-five million, two hundred forty-four thousand, two hundred fifty-three".