40323131135 has 64 divisors (see below), whose sum is σ = 58082303232. Its totient is φ = 26296897536.

The previous prime is 40323131117. The next prime is 40323131141. The reversal of 40323131135 is 53113132304.

It is not a de Polignac number, because 40323131135 - 2⁸ = 40323130879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21481817 + ... + 21483693.

It is an arithmetic number, because the mean of its divisors is an integer number (907535988).

Almost surely, 2^40323131135 is an apocalyptic number.

40323131135 is a deficient number, since it is larger than the sum of its proper divisors (17759172097).

40323131135 is a wasteful number, since it uses less digits than its factorization.

40323131135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 40323131135 its reverse (53113132304), we get a palindrome (93436263439).

The spelling of 40323131135 in words is "forty billion, three hundred twenty-three million, one hundred thirty-one thousand, one hundred thirty-five".