31325100553 has 8 divisors (see below), whose sum is σ = 31747354848. Its totient is φ = 30905652384.

The previous prime is 31325100551. The next prime is 31325100559. The reversal of 31325100553 is 35500152313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31325100553 - 2¹ = 31325100551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31325100551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679051 + ... + 723712.

It is an arithmetic number, because the mean of its divisors is an integer number (3968419356).

Almost surely, 2^31325100553 is an apocalyptic number.

It is an amenable number.

31325100553 is a deficient number, since it is larger than the sum of its proper divisors (422254295).

31325100553 is a wasteful number, since it uses less digits than its factorization.

31325100553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403063.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 31325100553 its reverse (35500152313), we get a palindrome (66825252866).

The spelling of 31325100553 in words is "thirty-one billion, three hundred twenty-five million, one hundred thousand, five hundred fifty-three".