31553132055 has 16 divisors (see below), whose sum is σ = 50563786464. Its totient is φ = 16802078720.

The previous prime is 31553132029. The next prime is 31553132057. The reversal of 31553132055 is 55023135513.

It is a happy number.

It is not a de Polignac number, because 31553132055 - 2¹³ = 31553123863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31553132057) 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 15 ways as a sum of consecutive naturals, for example, 1631214 + ... + 1650443.

It is an arithmetic number, because the mean of its divisors is an integer number (3160236654).

Almost surely, 2^31553132055 is an apocalyptic number.

31553132055 is a deficient number, since it is larger than the sum of its proper divisors (19010654409).

31553132055 is a wasteful number, since it uses less digits than its factorization.

31553132055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282306.

The product of its (nonzero) digits is 33750, while the sum is 33.

Adding to 31553132055 its reverse (55023135513), we get a palindrome (86576267568).

The spelling of 31553132055 in words is "thirty-one billion, five hundred fifty-three million, one hundred thirty-two thousand, fifty-five".