313020031103 has 4 divisors (see below), whose sum is σ = 337098495048. Its totient is φ = 288941567160.

The previous prime is 313020031099. The next prime is 313020031127. The reversal of 313020031103 is 301130020313.

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 313020031103 - 2² = 313020031099 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 (313020031403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12039231953 + ... + 12039231978.

It is an arithmetic number, because the mean of its divisors is an integer number (84274623762).

Almost surely, 2^313020031103 is an apocalyptic number.

313020031103 is a deficient number, since it is larger than the sum of its proper divisors (24078463945).

313020031103 is a wasteful number, since it uses less digits than its factorization.

313020031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24078463944.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 313020031103 its reverse (301130020313), we get a palindrome (614150051416).

The spelling of 313020031103 in words is "three hundred thirteen billion, twenty million, thirty-one thousand, one hundred three".