40035003531431 has 4 divisors (see below), whose sum is σ = 40035771611712. Its totient is φ = 40034235451152.

The previous prime is 40035003531421. The next prime is 40035003531443. The reversal of 40035003531431 is 13413530053004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40035003531431 is a prime.

It is a super-2 number, since 2×40035003531431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40035003531421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383961950 + ... + 384066203.

It is an arithmetic number, because the mean of its divisors is an integer number (10008942902928).

Almost surely, 2^{40035003531431} is an apocalyptic number.

40035003531431 is a deficient number, since it is larger than the sum of its proper divisors (768080281).

40035003531431 is an equidigital number, since it uses as much as digits as its factorization.

40035003531431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768080280.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 40035003531431 its reverse (13413530053004), we get a palindrome (53448533584435).

The spelling of 40035003531431 in words is "forty trillion, thirty-five billion, three million, five hundred thirty-one thousand, four hundred thirty-one".