31232103103 has 2 divisors, whose sum is σ = 31232103104. Its totient is φ = 31232103102.

The previous prime is 31232103037. The next prime is 31232103137. The reversal of 31232103103 is 30130123213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31232103103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31232103173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15616051551 + 15616051552.

It is an arithmetic number, because the mean of its divisors is an integer number (15616051552).

Almost surely, 2^31232103103 is an apocalyptic number.

31232103103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31232103103 is an equidigital number, since it uses as much as digits as its factorization.

31232103103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31232103103 its reverse (30130123213), we get a palindrome (61362226316).

The spelling of 31232103103 in words is "thirty-one billion, two hundred thirty-two million, one hundred three thousand, one hundred three".