31368606303 has 4 divisors (see below), whose sum is σ = 41824808408. Its totient is φ = 20912404200.

The previous prime is 31368606299. The next prime is 31368606317. The reversal of 31368606303 is 30360686313.

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

It is not a de Polignac number, because 31368606303 - 2² = 31368606299 is a prime.

It is a super-2 number, since 2×31368606303² (a number of 22 digits) 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 (31368606343) 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 3 ways as a sum of consecutive naturals, for example, 5228101048 + ... + 5228101053.

It is an arithmetic number, because the mean of its divisors is an integer number (10456202102).

Almost surely, 2^31368606303 is an apocalyptic number.

31368606303 is a deficient number, since it is larger than the sum of its proper divisors (10456202105).

31368606303 is a wasteful number, since it uses less digits than its factorization.

31368606303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10456202104.

The product of its (nonzero) digits is 139968, while the sum is 39.

The spelling of 31368606303 in words is "thirty-one billion, three hundred sixty-eight million, six hundred six thousand, three hundred three".