9038905131 has 16 divisors (see below), whose sum is σ = 12718169600. Its totient is φ = 5694388128.

The previous prime is 9038905103. The next prime is 9038905147. The reversal of 9038905131 is 1315098309.

It is not a de Polignac number, because 9038905131 - 2¹⁰ = 9038904107 is a prime.

It is a super-2 number, since 2×9038905131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9038905131.

It is not an unprimeable number, because it can be changed into a prime (9038903131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177091 + ... + 222348.

It is an arithmetic number, because the mean of its divisors is an integer number (794885600).

Almost surely, 2^9038905131 is an apocalyptic number.

9038905131 is a deficient number, since it is larger than the sum of its proper divisors (3679264469).

9038905131 is a wasteful number, since it uses less digits than its factorization.

9038905131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399858.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 9038905131 is about 95073.1567320661. The cubic root of 9038905131 is about 2083.0767713554.

The spelling of 9038905131 in words is "nine billion, thirty-eight million, nine hundred five thousand, one hundred thirty-one".