391033103413 has 4 divisors (see below), whose sum is σ = 391036886380. Its totient is φ = 391029320448.

The previous prime is 391033103389. The next prime is 391033103423. The reversal of 391033103413 is 314301330193.

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

It can be written as a sum of positive squares in 2 ways, for example, as 367887132369 + 23145971044 = 606537^2 + 152138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-391033103413 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 (391033103423) 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, 1731948 + ... + 1944661.

It is an arithmetic number, because the mean of its divisors is an integer number (97759221595).

Almost surely, 2^391033103413 is an apocalyptic number.

It is an amenable number.

391033103413 is a deficient number, since it is larger than the sum of its proper divisors (3782967).

391033103413 is a wasteful number, since it uses less digits than its factorization.

391033103413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782966.

The product of its (nonzero) digits is 8748, while the sum is 31.

The spelling of 391033103413 in words is "three hundred ninety-one billion, thirty-three million, one hundred three thousand, four hundred thirteen".