31023030111103 has 8 divisors (see below), whose sum is σ = 31760559380160. Its totient is φ = 30288728542080.

The previous prime is 31023030111097. The next prime is 31023030111109. The reversal of 31023030111103 is 30111103032013.

It is an interprime number because it is at equal distance from previous prime (31023030111097) and next prime (31023030111109).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31023030111103 - 2²⁹ = 31022493240191 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 (31023030111109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806905558 + ... + 806944003.

It is an arithmetic number, because the mean of its divisors is an integer number (3970069922520).

Almost surely, 2^{31023030111103} is an apocalyptic number.

31023030111103 is a deficient number, since it is larger than the sum of its proper divisors (737529269057).

31023030111103 is a wasteful number, since it uses less digits than its factorization.

31023030111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613850017.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31023030111103 its reverse (30111103032013), we get a palindrome (61134133143116).

The spelling of 31023030111103 in words is "thirty-one trillion, twenty-three billion, thirty million, one hundred eleven thousand, one hundred three".