31655053 has 2 divisors, whose sum is σ = 31655054. Its totient is φ = 31655052.

The previous prime is 31655051. The next prime is 31655059. The reversal of 31655053 is 35055613.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22401289 + 9253764 = 4733^2 + 3042^2 .

It is a cyclic number.

It is not a de Polignac number, because 31655053 - 2¹ = 31655051 is a prime.

Together with 31655051, it forms a pair of twin primes.

It is equal to p_1953820 and since 31655053 and 1953820 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31655051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15827526 + 15827527.

It is an arithmetic number, because the mean of its divisors is an integer number (15827527).

Almost surely, 2^31655053 is an apocalyptic number.

It is an amenable number.

31655053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31655053 is an equidigital number, since it uses as much as digits as its factorization.

31655053 is an odious number, because the sum of its binary digits is odd.

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

The square root of 31655053 is about 5626.2823427197. The cubic root of 31655053 is about 316.3353174280.

The spelling of 31655053 in words is "thirty-one million, six hundred fifty-five thousand, fifty-three".