31023022103 has 4 divisors (see below), whose sum is σ = 32655812760. Its totient is φ = 29390231448.

The previous prime is 31023022099. The next prime is 31023022123. The reversal of 31023022103 is 30122032013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30122032013 = 1567 ⋅19222739.

It is a cyclic number.

It is not a de Polignac number, because 31023022103 - 2² = 31023022099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023022123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816395300 + ... + 816395337.

It is an arithmetic number, because the mean of its divisors is an integer number (8163953190).

Almost surely, 2^31023022103 is an apocalyptic number.

31023022103 is a deficient number, since it is larger than the sum of its proper divisors (1632790657).

31023022103 is a wasteful number, since it uses less digits than its factorization.

31023022103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632790656.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31023022103 its reverse (30122032013), we get a palindrome (61145054116).

The spelling of 31023022103 in words is "thirty-one billion, twenty-three million, twenty-two thousand, one hundred three".