31850538053 has 2 divisors, whose sum is σ = 31850538054. Its totient is φ = 31850538052.

The previous prime is 31850538019. The next prime is 31850538077. The reversal of 31850538053 is 35083505813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19851964609 + 11998573444 = 140897^2 + 109538^2 .

It is an emirp because it is prime and its reverse (35083505813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31850538053 - 2²⁴ = 31833760837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31850538053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31850538553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15925269026 + 15925269027.

It is an arithmetic number, because the mean of its divisors is an integer number (15925269027).

Almost surely, 2^31850538053 is an apocalyptic number.

It is an amenable number.

31850538053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31850538053 is an equidigital number, since it uses as much as digits as its factorization.

31850538053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 31850538053 in words is "thirty-one billion, eight hundred fifty million, five hundred thirty-eight thousand, fifty-three".