31101330103 has 16 divisors (see below), whose sum is σ = 32284800000. Its totient is φ = 29929616640.

The previous prime is 31101330079. The next prime is 31101330133. The reversal of 31101330103 is 30103310113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31101330103 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 (31101330133) 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, 4143648 + ... + 4151146.

It is an arithmetic number, because the mean of its divisors is an integer number (2017800000).

Almost surely, 2^31101330103 is an apocalyptic number.

31101330103 is a deficient number, since it is larger than the sum of its proper divisors (1183469897).

31101330103 is a wasteful number, since it uses less digits than its factorization.

31101330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8262.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 31101330103 its reverse (30103310113), we get a palindrome (61204640216).

The spelling of 31101330103 in words is "thirty-one billion, one hundred one million, three hundred thirty thousand, one hundred three".