31103310103 has 8 divisors (see below), whose sum is σ = 31596078960. Its totient is φ = 30611380800.

The previous prime is 31103310101. The next prime is 31103310151. The reversal of 31103310103 is 30101330113.

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 31103310103 - 2¹ = 31103310101 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 (31103310101) 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, 134998 + ... + 283603.

It is an arithmetic number, because the mean of its divisors is an integer number (3949509870).

Almost surely, 2^31103310103 is an apocalyptic number.

31103310103 is a deficient number, since it is larger than the sum of its proper divisors (492768857).

31103310103 is a wasteful number, since it uses less digits than its factorization.

31103310103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419777.

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

Adding to 31103310103 its reverse (30101330113), we get a palindrome (61204640216).

The spelling of 31103310103 in words is "thirty-one billion, one hundred three million, three hundred ten thousand, one hundred three".