31322010103 has 2 divisors, whose sum is σ = 31322010104. Its totient is φ = 31322010102.

The previous prime is 31322010091. The next prime is 31322010143. The reversal of 31322010103 is 30101022313.

It is a weak prime.

It is an emirp because it is prime and its reverse (30101022313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31322010103 - 2²¹ = 31319912951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31322010143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15661005051 + 15661005052.

It is an arithmetic number, because the mean of its divisors is an integer number (15661005052).

Almost surely, 2^31322010103 is an apocalyptic number.

31322010103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31322010103 is an equidigital number, since it uses as much as digits as its factorization.

31322010103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31322010103 its reverse (30101022313), we get a palindrome (61423032416).

It can be divided in two parts, 313220 and 10103, that added together give a palindrome (323323).

The spelling of 31322010103 in words is "thirty-one billion, three hundred twenty-two million, ten thousand, one hundred three".