40133131 has 2 divisors, whose sum is σ = 40133132. Its totient is φ = 40133130.

The previous prime is 40133117. The next prime is 40133153. The reversal of 40133131 is 13133104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40133131 - 2¹⁹ = 39608843 is a prime.

It is a super-2 number, since 2×40133131² = 3221336407726322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40133101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20066565 + 20066566.

It is an arithmetic number, because the mean of its divisors is an integer number (20066566).

Almost surely, 2^40133131 is an apocalyptic number.

40133131 is a deficient number, since it is larger than the sum of its proper divisors (1).

40133131 is an equidigital number, since it uses as much as digits as its factorization.

40133131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 40133131 is about 6335.0715070945. The cubic root of 40133131 is about 342.3741871890.

Adding to 40133131 its reverse (13133104), we get a palindrome (53266235).

The spelling of 40133131 in words is "forty million, one hundred thirty-three thousand, one hundred thirty-one".