40533121534231 has 2 divisors, whose sum is σ = 40533121534232. Its totient is φ = 40533121534230.

The previous prime is 40533121533967. The next prime is 40533121534271. The reversal of 40533121534231 is 13243512133504.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40533121534231 - 2¹⁵ = 40533121501463 is a prime.

It is a super-2 number, since 2×40533121534231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40533121534271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20266560767115 + 20266560767116.

It is an arithmetic number, because the mean of its divisors is an integer number (20266560767116).

Almost surely, 2^{40533121534231} is an apocalyptic number.

40533121534231 is a deficient number, since it is larger than the sum of its proper divisors (1).

40533121534231 is an equidigital number, since it uses as much as digits as its factorization.

40533121534231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 40533121534231 its reverse (13243512133504), we get a palindrome (53776633667735).

The spelling of 40533121534231 in words is "forty trillion, five hundred thirty-three billion, one hundred twenty-one million, five hundred thirty-four thousand, two hundred thirty-one".