31310300055 has 16 divisors (see below), whose sum is σ = 51318346464. Its totient is φ = 16291537920.

The previous prime is 31310300053. The next prime is 31310300057. The reversal of 31310300055 is 55000301313.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31310300053) and next prime (31310300057).

It is not a de Polignac number, because 31310300055 - 2¹ = 31310300053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31310300053) 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, 25454914 + ... + 25456143.

It is an arithmetic number, because the mean of its divisors is an integer number (3207396654).

Almost surely, 2^31310300055 is an apocalyptic number.

31310300055 is a deficient number, since it is larger than the sum of its proper divisors (20008046409).

31310300055 is a wasteful number, since it uses less digits than its factorization.

31310300055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50911106.

The product of its (nonzero) digits is 675, while the sum is 21.

Adding to 31310300055 its reverse (55000301313), we get a palindrome (86310601368).

The spelling of 31310300055 in words is "thirty-one billion, three hundred ten million, three hundred thousand, fifty-five".