3138430185203 has 2 divisors, whose sum is σ = 3138430185204. Its totient is φ = 3138430185202.

The previous prime is 3138430185193. The next prime is 3138430185217. The reversal of 3138430185203 is 3025810348313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3138430185203 is a prime.

It is not a weakly prime, because it can be changed into another prime (3138430185223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569215092601 + 1569215092602.

It is an arithmetic number, because the mean of its divisors is an integer number (1569215092602).

Almost surely, 2^{3138430185203} is an apocalyptic number.

3138430185203 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138430185203 is an equidigital number, since it uses as much as digits as its factorization.

3138430185203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 3138430185203 in words is "three trillion, one hundred thirty-eight billion, four hundred thirty million, one hundred eighty-five thousand, two hundred three".