40136335031 has 8 divisors (see below), whose sum is σ = 43289344560. Its totient is φ = 36992696832.

The previous prime is 40136335027. The next prime is 40136335039. The reversal of 40136335031 is 13053363104.

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

It is not a de Polignac number, because 40136335031 - 2² = 40136335027 is a prime.

It is a super-2 number, since 2×40136335031² (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 = 40136334985 and 40136335003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40136335039) 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, 2333930 + ... + 2351063.

It is an arithmetic number, because the mean of its divisors is an integer number (5411168070).

Almost surely, 2^40136335031 is an apocalyptic number.

40136335031 is a deficient number, since it is larger than the sum of its proper divisors (3153009529).

40136335031 is a wasteful number, since it uses less digits than its factorization.

40136335031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685665.

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 40136335031 its reverse (13053363104), we get a palindrome (53189698135).

The spelling of 40136335031 in words is "forty billion, one hundred thirty-six million, three hundred thirty-five thousand, thirty-one".