40051352431 has 2 divisors, whose sum is σ = 40051352432. Its totient is φ = 40051352430.

The previous prime is 40051352293. The next prime is 40051352449. The reversal of 40051352431 is 13425315004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40051352431 - 2¹⁷ = 40051221359 is a prime.

It is a super-2 number, since 2×40051352431² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40051352431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40051352531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20025676215 + 20025676216.

It is an arithmetic number, because the mean of its divisors is an integer number (20025676216).

Almost surely, 2^40051352431 is an apocalyptic number.

40051352431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40051352431 is an equidigital number, since it uses as much as digits as its factorization.

40051352431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 40051352431 its reverse (13425315004), we get a palindrome (53476667435).

The spelling of 40051352431 in words is "forty billion, fifty-one million, three hundred fifty-two thousand, four hundred thirty-one".