31325504253 has 4 divisors (see below), whose sum is σ = 41767339008. Its totient is φ = 20883669500.

The previous prime is 31325504239. The next prime is 31325504261. The reversal of 31325504253 is 35240552313.

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: 35240552313 = 3 ⋅11746850771.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31325504253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31325504233) 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, 5220917373 + ... + 5220917378.

It is an arithmetic number, because the mean of its divisors is an integer number (10441834752).

Almost surely, 2^31325504253 is an apocalyptic number.

It is an amenable number.

31325504253 is a deficient number, since it is larger than the sum of its proper divisors (10441834755).

31325504253 is a wasteful number, since it uses less digits than its factorization.

31325504253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10441834754.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 31325504253 in words is "thirty-one billion, three hundred twenty-five million, five hundred four thousand, two hundred fifty-three".