2043400330031 has 8 divisors (see below), whose sum is σ = 2049532509024. Its totient is φ = 2037268558080.

The previous prime is 2043400330019. The next prime is 2043400330043. The reversal of 2043400330031 is 1300330043402.

It is an interprime number because it is at equal distance from previous prime (2043400330019) and next prime (2043400330043).

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 2043400330031 - 2¹⁸ = 2043400067887 is a prime.

It is a super-2 number, since 2×2043400330031² (a number of 25 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 = 2043400329979 and 2043400330006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043400230031) 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 7 ways as a sum of consecutive naturals, for example, 12164171 + ... + 12331011.

It is an arithmetic number, because the mean of its divisors is an integer number (256191563628).

Almost surely, 2^{2043400330031} is an apocalyptic number.

2043400330031 is a deficient number, since it is larger than the sum of its proper divisors (6132178993).

2043400330031 is a wasteful number, since it uses less digits than its factorization.

2043400330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203521.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 2043400330031 its reverse (1300330043402), we get a palindrome (3343730373433).

The spelling of 2043400330031 in words is "two trillion, forty-three billion, four hundred million, three hundred thirty thousand, thirty-one".