31031200110103 has 16 divisors (see below), whose sum is σ = 34301380608000. Its totient is φ = 27940033562112.

The previous prime is 31031200110089. The next prime is 31031200110121. The reversal of 31031200110103 is 30101100213013.

It is a cyclic number.

It is not a de Polignac number, because 31031200110103 - 2²⁵ = 31031166555671 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 (31031200110133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288678423 + ... + 288785896.

It is an arithmetic number, because the mean of its divisors is an integer number (2143836288000).

Almost surely, 2^{31031200110103} is an apocalyptic number.

31031200110103 is a deficient number, since it is larger than the sum of its proper divisors (3270180497897).

31031200110103 is a wasteful number, since it uses less digits than its factorization.

31031200110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577464474.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31031200110103 its reverse (30101100213013), we get a palindrome (61132300323116).

The spelling of 31031200110103 in words is "thirty-one trillion, thirty-one billion, two hundred million, one hundred ten thousand, one hundred three".