31103330053 has 2 divisors, whose sum is σ = 31103330054. Its totient is φ = 31103330052.

The previous prime is 31103330003. The next prime is 31103330057. The reversal of 31103330053 is 35003330113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19252395009 + 11850935044 = 138753^2 + 108862^2 .

It is a cyclic number.

It is not a de Polignac number, because 31103330053 - 2¹³ = 31103321861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31103330057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551665026 + 15551665027.

It is an arithmetic number, because the mean of its divisors is an integer number (15551665027).

Almost surely, 2^31103330053 is an apocalyptic number.

It is an amenable number.

31103330053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103330053 is an equidigital number, since it uses as much as digits as its factorization.

31103330053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 22.

Adding to 31103330053 its reverse (35003330113), we get a palindrome (66106660166).

The spelling of 31103330053 in words is "thirty-one billion, one hundred three million, three hundred thirty thousand, fifty-three".