43040220322331 has 8 divisors (see below), whose sum is σ = 43182988478784. Its totient is φ = 42897590712000.

The previous prime is 43040220322327. The next prime is 43040220322339. The reversal of 43040220322331 is 13322302204034.

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 43040220322331 - 2² = 43040220322327 is a prime.

It is a super-2 number, since 2×43040220322331² (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 = 43040220322294 and 43040220322303.

It is not an unprimeable number, because it can be changed into a prime (43040220322339) 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, 34014170 + ... + 35256831.

It is an arithmetic number, because the mean of its divisors is an integer number (5397873559848).

Almost surely, 2^{43040220322331} is an apocalyptic number.

43040220322331 is a deficient number, since it is larger than the sum of its proper divisors (142768156453).

43040220322331 is a wasteful number, since it uses less digits than its factorization.

43040220322331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69273061.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 43040220322331 its reverse (13322302204034), we get a palindrome (56362522526365).

The spelling of 43040220322331 in words is "forty-three trillion, forty billion, two hundred twenty million, three hundred twenty-two thousand, three hundred thirty-one".