31324012103 has 2 divisors, whose sum is σ = 31324012104. Its totient is φ = 31324012102.

The previous prime is 31324012073. The next prime is 31324012117. The reversal of 31324012103 is 30121042313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31324012103 - 2⁸ = 31324011847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31324012163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15662006051 + 15662006052.

It is an arithmetic number, because the mean of its divisors is an integer number (15662006052).

Almost surely, 2^31324012103 is an apocalyptic number.

31324012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31324012103 is an equidigital number, since it uses as much as digits as its factorization.

31324012103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31324012103 its reverse (30121042313), we get a palindrome (61445054416).

The spelling of 31324012103 in words is "thirty-one billion, three hundred twenty-four million, twelve thousand, one hundred three".