1043320414431 has 4 divisors (see below), whose sum is σ = 1391093885912. Its totient is φ = 695546942952.

The previous prime is 1043320414429. The next prime is 1043320414439. The reversal of 1043320414431 is 1344140233401.

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

It is not a de Polignac number, because 1043320414431 - 2¹ = 1043320414429 is a prime.

It is a super-2 number, since 2×1043320414431² (a number of 25 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 (1043320414439) 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, 173886735736 + ... + 173886735741.

It is an arithmetic number, because the mean of its divisors is an integer number (347773471478).

Almost surely, 2^{1043320414431} is an apocalyptic number.

1043320414431 is a deficient number, since it is larger than the sum of its proper divisors (347773471481).

1043320414431 is an equidigital number, since it uses as much as digits as its factorization.

1043320414431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347773471480.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1043320414431 its reverse (1344140233401), we get a palindrome (2387460647832).

The spelling of 1043320414431 in words is "one trillion, forty-three billion, three hundred twenty million, four hundred fourteen thousand, four hundred thirty-one".