31352352103 has 2 divisors, whose sum is σ = 31352352104. Its totient is φ = 31352352102.

The previous prime is 31352352077. The next prime is 31352352113. The reversal of 31352352103 is 30125325313.

It is a strong prime.

It is an emirp because it is prime and its reverse (30125325313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31352352103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31352352113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15676176051 + 15676176052.

It is an arithmetic number, because the mean of its divisors is an integer number (15676176052).

Almost surely, 2^31352352103 is an apocalyptic number.

31352352103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31352352103 is an equidigital number, since it uses as much as digits as its factorization.

31352352103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 31352352103 its reverse (30125325313), we get a palindrome (61477677416).

The spelling of 31352352103 in words is "thirty-one billion, three hundred fifty-two million, three hundred fifty-two thousand, one hundred three".