1038313385 has 4 divisors (see below), whose sum is σ = 1245976068. Its totient is φ = 830650704.

The previous prime is 1038313373. The next prime is 1038313417. The reversal of 1038313385 is 5833138301.

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 583898896 + 454414489 = 24164^2 + 21317^2 .

It is a cyclic number.

It is not a de Polignac number, because 1038313385 - 2²² = 1034119081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 103831334 + ... + 103831343.

It is an arithmetic number, because the mean of its divisors is an integer number (311494017).

Almost surely, 2^1038313385 is an apocalyptic number.

It is an amenable number.

1038313385 is a deficient number, since it is larger than the sum of its proper divisors (207662683).

1038313385 is an equidigital number, since it uses as much as digits as its factorization.

1038313385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207662682.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1038313385 is about 32222.8705270030. The cubic root of 1038313385 is about 1012.6114120149.

The spelling of 1038313385 in words is "one billion, thirty-eight million, three hundred thirteen thousand, three hundred eighty-five".