1038431011 has 8 divisors (see below), whose sum is σ = 1079349264. Its totient is φ = 998189280.

The previous prime is 1038430993. The next prime is 1038431027. The reversal of 1038431011 is 1101348301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1038431011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1038431081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166000 + ... + 172141.

It is an arithmetic number, because the mean of its divisors is an integer number (134918658).

Almost surely, 2^1038431011 is an apocalyptic number.

1038431011 is a deficient number, since it is larger than the sum of its proper divisors (40918253).

1038431011 is an equidigital number, since it uses as much as digits as its factorization.

1038431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338261.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1038431011 is about 32224.6956696258. The cubic root of 1038431011 is about 1012.6496486829.

Adding to 1038431011 its reverse (1101348301), we get a palindrome (2139779312).

The spelling of 1038431011 in words is "one billion, thirty-eight million, four hundred thirty-one thousand, eleven".