40304323131 has 8 divisors (see below), whose sum is σ = 54753042960. Its totient is φ = 26362576032.

The previous prime is 40304323117. The next prime is 40304323153. The reversal of 40304323131 is 13132340304.

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

It is not a de Polignac number, because 40304323131 - 2¹⁵ = 40304290363 is a prime.

It is a super-2 number, since 2×40304323131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40304324131) 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, 126742996 + ... + 126743313.

It is an arithmetic number, because the mean of its divisors is an integer number (6844130370).

Almost surely, 2^40304323131 is an apocalyptic number.

40304323131 is a deficient number, since it is larger than the sum of its proper divisors (14448719829).

40304323131 is a wasteful number, since it uses less digits than its factorization.

40304323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253486365.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 40304323131 its reverse (13132340304), we get a palindrome (53436663435).

The spelling of 40304323131 in words is "forty billion, three hundred four million, three hundred twenty-three thousand, one hundred thirty-one".