3131320302103 has 32 divisors (see below), whose sum is σ = 3801544750080. Its totient is φ = 2521429447680.

The previous prime is 3131320302001. The next prime is 3131320302151. The reversal of 3131320302103 is 3012030231313.

It is a cyclic number.

It is not a de Polignac number, because 3131320302103 - 2⁹ = 3131320301591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131320302193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1280533 + ... + 2811121.

It is an arithmetic number, because the mean of its divisors is an integer number (118798273440).

Almost surely, 2^{3131320302103} is an apocalyptic number.

3131320302103 is a deficient number, since it is larger than the sum of its proper divisors (670224447977).

3131320302103 is a wasteful number, since it uses less digits than its factorization.

3131320302103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530847.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 3131320302103 its reverse (3012030231313), we get a palindrome (6143350533416).

The spelling of 3131320302103 in words is "three trillion, one hundred thirty-one billion, three hundred twenty million, three hundred two thousand, one hundred three".