40034303531 has 2 divisors, whose sum is σ = 40034303532. Its totient is φ = 40034303530.

The previous prime is 40034303497. The next prime is 40034303567. The reversal of 40034303531 is 13530343004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40034303531 - 2²² = 40030109227 is a prime.

It is a super-2 number, since 2×40034303531² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40034303531.

It is not a weakly prime, because it can be changed into another prime (40034303591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017151765 + 20017151766.

It is an arithmetic number, because the mean of its divisors is an integer number (20017151766).

Almost surely, 2^40034303531 is an apocalyptic number.

40034303531 is a deficient number, since it is larger than the sum of its proper divisors (1).

40034303531 is an equidigital number, since it uses as much as digits as its factorization.

40034303531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 40034303531 its reverse (13530343004), we get a palindrome (53564646535).

The spelling of 40034303531 in words is "forty billion, thirty-four million, three hundred three thousand, five hundred thirty-one".