31320300103 has 2 divisors, whose sum is σ = 31320300104. Its totient is φ = 31320300102.

The previous prime is 31320300101. The next prime is 31320300107. The reversal of 31320300103 is 30100302313.

31320300103 is nontrivially palindromic in base 16.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31320300103 - 2¹ = 31320300101 is a prime.

It is a super-2 number, since 2×31320300103² (a number of 22 digits) contains 22 as substring.

Together with 31320300101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31320300101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660150051 + 15660150052.

It is an arithmetic number, because the mean of its divisors is an integer number (15660150052).

Almost surely, 2^31320300103 is an apocalyptic number.

31320300103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31320300103 is an equidigital number, since it uses as much as digits as its factorization.

31320300103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 31320300103 its reverse (30100302313), we get a palindrome (61420602416).

The spelling of 31320300103 in words is "thirty-one billion, three hundred twenty million, three hundred thousand, one hundred three".