31953540559 has 2 divisors, whose sum is σ = 31953540560. Its totient is φ = 31953540558.

The previous prime is 31953540503. The next prime is 31953540569. The reversal of 31953540559 is 95504535913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31953540559 - 2⁷ = 31953540431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31953540569) 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 as a sum of consecutive naturals, namely, 15976770279 + 15976770280.

It is an arithmetic number, because the mean of its divisors is an integer number (15976770280).

Almost surely, 2^31953540559 is an apocalyptic number.

31953540559 is a deficient number, since it is larger than the sum of its proper divisors (1).

31953540559 is an equidigital number, since it uses as much as digits as its factorization.

31953540559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1822500, while the sum is 49.

The spelling of 31953540559 in words is "thirty-one billion, nine hundred fifty-three million, five hundred forty thousand, five hundred fifty-nine".