40311044431 has 8 divisors (see below), whose sum is σ = 46500324480. Its totient is φ = 34229404248.

The previous prime is 40311044429. The next prime is 40311044437. The reversal of 40311044431 is 13444011304.

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

It is a cyclic number.

It is not a de Polignac number, because 40311044431 - 2¹ = 40311044429 is a prime.

It is a super-2 number, since 2×40311044431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40311044396 and 40311044405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311044437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26909161 + ... + 26910658.

It is an arithmetic number, because the mean of its divisors is an integer number (5812540560).

Almost surely, 2^40311044431 is an apocalyptic number.

40311044431 is a deficient number, since it is larger than the sum of its proper divisors (6189280049).

40311044431 is a wasteful number, since it uses less digits than its factorization.

40311044431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53819933.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40311044431 its reverse (13444011304), we get a palindrome (53755055735).

The spelling of 40311044431 in words is "forty billion, three hundred eleven million, forty-four thousand, four hundred thirty-one".