3131100103 has 4 divisors (see below), whose sum is σ = 3315282480. Its totient is φ = 2946917728.

The previous prime is 3131100067. The next prime is 3131100109. The reversal of 3131100103 is 3010011313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3131100103 - 2¹³ = 3131091911 is a prime.

It is a super-2 number, since 2×3131100103² = 19607575710013221218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131100109) 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 3 ways as a sum of consecutive naturals, for example, 92091163 + ... + 92091196.

It is an arithmetic number, because the mean of its divisors is an integer number (828820620).

Almost surely, 2^3131100103 is an apocalyptic number.

3131100103 is a deficient number, since it is larger than the sum of its proper divisors (184182377).

3131100103 is a wasteful number, since it uses less digits than its factorization.

3131100103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184182376.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 3131100103 is about 55956.2338171539. The cubic root of 3131100103 is about 1462.9595472896.

Adding to 3131100103 its reverse (3010011313), we get a palindrome (6141111416).

The spelling of 3131100103 in words is "three billion, one hundred thirty-one million, one hundred thousand, one hundred three".