40535130231 has 24 divisors (see below), whose sum is σ = 59102110080. Its totient is φ = 26769774336.

The previous prime is 40535130193. The next prime is 40535130247. The reversal of 40535130231 is 13203153504.

40535130231 is a `hidden beast` number, since 4 + 0 + 5 + 351 + 302 + 3 + 1 = 666.

It is not a de Polignac number, because 40535130231 - 2¹³ = 40535122039 is a prime.

It is a super-2 number, since 2×40535130231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40535130195 and 40535130204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40535130731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 556291 + ... + 624923.

It is an arithmetic number, because the mean of its divisors is an integer number (2462587920).

Almost surely, 2^40535130231 is an apocalyptic number.

40535130231 is a deficient number, since it is larger than the sum of its proper divisors (18566979849).

40535130231 is a wasteful number, since it uses less digits than its factorization.

40535130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69255 (or 69252 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 40535130231 its reverse (13203153504), we get a palindrome (53738283735).

The spelling of 40535130231 in words is "forty billion, five hundred thirty-five million, one hundred thirty thousand, two hundred thirty-one".