5385532131 has 30 divisors (see below), whose sum is σ = 9358539300. Its totient is φ = 3077444664.

The previous prime is 5385532127. The next prime is 5385532157. The reversal of 5385532131 is 1312355835.

5385532131 is a `hidden beast` number, since 53 + 8 + 553 + 21 + 31 = 666.

It is not a de Polignac number, because 5385532131 - 2² = 5385532127 is a prime.

It is a super-2 number, since 2×5385532131² = 58007912668066802322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5385532111) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 674481 + ... + 682418.

It is an arithmetic number, because the mean of its divisors is an integer number (311951310).

Almost surely, 2^5385532131 is an apocalyptic number.

5385532131 is a deficient number, since it is larger than the sum of its proper divisors (3973007169).

5385532131 is a wasteful number, since it uses less digits than its factorization.

5385532131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356925 (or 1356909 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 5385532131 is about 73386.1848783543. The cubic root of 5385532131 is about 1752.8424154097.

Adding to 5385532131 its reverse (1312355835), we get a palindrome (6697887966).

The spelling of 5385532131 in words is "five billion, three hundred eighty-five million, five hundred thirty-two thousand, one hundred thirty-one".