40101131 has 4 divisors (see below), whose sum is σ = 45829872. Its totient is φ = 34372392.

The previous prime is 40101119. The next prime is 40101151. The reversal of 40101131 is 13110104.

40101131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40101131 - 2⁶ = 40101067 is a prime.

It is a super-2 number, since 2×40101131² = 3216201414958322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40101151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2864360 + ... + 2864373.

It is an arithmetic number, because the mean of its divisors is an integer number (11457468).

Almost surely, 2^40101131 is an apocalyptic number.

40101131 is a deficient number, since it is larger than the sum of its proper divisors (5728741).

40101131 is an equidigital number, since it uses as much as digits as its factorization.

40101131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728740.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 40101131 is about 6332.5453808086. The cubic root of 40101131 is about 342.2831660725.

Adding to 40101131 its reverse (13110104), we get a palindrome (53211235).

The spelling of 40101131 in words is "forty million, one hundred one thousand, one hundred thirty-one".