40431234002231 has 4 divisors (see below), whose sum is σ = 41417361660864. Its totient is φ = 39445106343600.

The previous prime is 40431234002219. The next prime is 40431234002261. The reversal of 40431234002231 is 13220043213404.

40431234002231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40431234002231 - 2³⁸ = 40156356095287 is a prime.

It is a super-2 number, since 2×40431234002231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40431234002194 and 40431234002203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40431234002261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493063829255 + ... + 493063829336.

It is an arithmetic number, because the mean of its divisors is an integer number (10354340415216).

Almost surely, 2^{40431234002231} is an apocalyptic number.

40431234002231 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40431234002231 is a deficient number, since it is larger than the sum of its proper divisors (986127658633).

40431234002231 is an equidigital number, since it uses as much as digits as its factorization.

40431234002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986127658632.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 40431234002231 its reverse (13220043213404), we get a palindrome (53651277215635).

The spelling of 40431234002231 in words is "forty trillion, four hundred thirty-one billion, two hundred thirty-four million, two thousand, two hundred thirty-one".