31030103113 has 8 divisors (see below), whose sum is σ = 31063631040. Its totient is φ = 30996596400.

The previous prime is 31030103107. The next prime is 31030103119. The reversal of 31030103113 is 31130103013.

It is an interprime number because it is at equal distance from previous prime (31030103107) and next prime (31030103119).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31030103113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31030103119) 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 7 ways as a sum of consecutive naturals, for example, 5499948 + ... + 5505586.

It is an arithmetic number, because the mean of its divisors is an integer number (3882953880).

Almost surely, 2^31030103113 is an apocalyptic number.

It is an amenable number.

31030103113 is a deficient number, since it is larger than the sum of its proper divisors (33527927).

31030103113 is a wasteful number, since it uses less digits than its factorization.

31030103113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607.

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

Adding to 31030103113 its reverse (31130103013), we get a palindrome (62160206126).

The spelling of 31030103113 in words is "thirty-one billion, thirty million, one hundred three thousand, one hundred thirteen".