40031051 has 2 divisors, whose sum is σ = 40031052. Its totient is φ = 40031050.

The previous prime is 40031029. The next prime is 40031071. The reversal of 40031051 is 15013004.

40031051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40031051 - 2¹⁰ = 40030027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40031011) 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 as a sum of consecutive naturals, namely, 20015525 + 20015526.

It is an arithmetic number, because the mean of its divisors is an integer number (20015526).

Almost surely, 2^40031051 is an apocalyptic number.

40031051 is a deficient number, since it is larger than the sum of its proper divisors (1).

40031051 is an equidigital number, since it uses as much as digits as its factorization.

40031051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 40031051 is about 6327.0096412128. The cubic root of 40031051 is about 342.0836605518.

Adding to 40031051 its reverse (15013004), we get a palindrome (55044055).

The spelling of 40031051 in words is "forty million, thirty-one thousand, fifty-one".