31376055553 has 2 divisors, whose sum is σ = 31376055554. Its totient is φ = 31376055552.

The previous prime is 31376055551. The next prime is 31376055629. The reversal of 31376055553 is 35555067313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16923928464 + 14452127089 = 130092^2 + 120217^2 .

It is an emirp because it is prime and its reverse (35555067313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31376055553 - 2¹ = 31376055551 is a prime.

Together with 31376055551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (31376055551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15688027776 + 15688027777.

It is an arithmetic number, because the mean of its divisors is an integer number (15688027777).

Almost surely, 2^31376055553 is an apocalyptic number.

It is an amenable number.

31376055553 is a deficient number, since it is larger than the sum of its proper divisors (1).

31376055553 is an equidigital number, since it uses as much as digits as its factorization.

31376055553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 708750, while the sum is 43.

The spelling of 31376055553 in words is "thirty-one billion, three hundred seventy-six million, fifty-five thousand, five hundred fifty-three".