40340120131 has 8 divisors (see below), whose sum is σ = 42721914240. Its totient is φ = 37959308928.

The previous prime is 40340120113. The next prime is 40340120159. The reversal of 40340120131 is 13102104304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40340120131 is a prime.

It is a super-3 number, since 3×40340120131³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40340120099 and 40340120108.

It is not an unprimeable number, because it can be changed into a prime (40340120111) 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, 160371 + ... + 326188.

It is an arithmetic number, because the mean of its divisors is an integer number (5340239280).

Almost surely, 2^40340120131 is an apocalyptic number.

40340120131 is a deficient number, since it is larger than the sum of its proper divisors (2381794109).

40340120131 is a wasteful number, since it uses less digits than its factorization.

40340120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491453.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 40340120131 its reverse (13102104304), we get a palindrome (53442224435).

The spelling of 40340120131 in words is "forty billion, three hundred forty million, one hundred twenty thousand, one hundred thirty-one".