43103022431 has 24 divisors (see below), whose sum is σ = 50918779440. Its totient is φ = 36372454272.

The previous prime is 43103022427. The next prime is 43103022437. The reversal of 43103022431 is 13422030134.

It is not a de Polignac number, because 43103022431 - 2² = 43103022427 is a prime.

It is a super-2 number, since 2×43103022431² (a number of 22 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 = 43103022397 and 43103022406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43103022437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8116205 + ... + 8121513.

It is an arithmetic number, because the mean of its divisors is an integer number (2121615810).

Almost surely, 2^43103022431 is an apocalyptic number.

43103022431 is a deficient number, since it is larger than the sum of its proper divisors (7815757009).

43103022431 is a wasteful number, since it uses less digits than its factorization.

43103022431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863 (or 7856 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43103022431 its reverse (13422030134), we get a palindrome (56525052565).

The spelling of 43103022431 in words is "forty-three billion, one hundred three million, twenty-two thousand, four hundred thirty-one".