40243142100431 has 8 divisors (see below), whose sum is σ = 42380877684720. Its totient is φ = 38107374063552.

The previous prime is 40243142100401. The next prime is 40243142100433. The reversal of 40243142100431 is 13400124134204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40243142100431 - 2¹⁸ = 40243141838287 is a prime.

It is a super-2 number, since 2×40243142100431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40243142100394 and 40243142100403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243142100433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491844860 + ... + 491926673.

It is an arithmetic number, because the mean of its divisors is an integer number (5297609710590).

Almost surely, 2^{40243142100431} is an apocalyptic number.

40243142100431 is a deficient number, since it is larger than the sum of its proper divisors (2137735584289).

40243142100431 is a wasteful number, since it uses less digits than its factorization.

40243142100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983773705.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 40243142100431 its reverse (13400124134204), we get a palindrome (53643266234635).

The spelling of 40243142100431 in words is "forty trillion, two hundred forty-three billion, one hundred forty-two million, one hundred thousand, four hundred thirty-one".