31122032103 has 6 divisors (see below), whose sum is σ = 44954046384. Its totient is φ = 20748021396.

The previous prime is 31122032077. The next prime is 31122032119. The reversal of 31122032103 is 30123022113.

31122032103 is a `hidden beast` number, since 311 + 220 + 32 + 103 = 666.

It is not a de Polignac number, because 31122032103 - 2³² = 26827064807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122072103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1729001775 + ... + 1729001792.

It is an arithmetic number, because the mean of its divisors is an integer number (7492341064).

Almost surely, 2^31122032103 is an apocalyptic number.

31122032103 is a deficient number, since it is larger than the sum of its proper divisors (13832014281).

31122032103 is a wasteful number, since it uses less digits than its factorization.

31122032103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458003573 (or 3458003570 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31122032103 its reverse (30123022113), we get a palindrome (61245054216).

The spelling of 31122032103 in words is "thirty-one billion, one hundred twenty-two million, thirty-two thousand, one hundred three".