42431304331424 has 12 divisors (see below), whose sum is σ = 83536630402554. Its totient is φ = 21215652165696.

The previous prime is 42431304331393. The next prime is 42431304331433. The reversal of 42431304331424 is 42413340313424.

It can be written as a sum of positive squares in only one way, i.e., 40251157584400 + 2180146747024 = 6344380^2 + 1476532^2 .

It is a super-2 number, since 2×42431304331424² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662989130147 + ... + 662989130210.

Almost surely, 2^{42431304331424} is an apocalyptic number.

It is an amenable number.

42431304331424 is a deficient number, since it is larger than the sum of its proper divisors (41105326071130).

42431304331424 is a wasteful number, since it uses less digits than its factorization.

42431304331424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325978260367 (or 1325978260359 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 42431304331424 its reverse (42413340313424), we get a palindrome (84844644644848).

The spelling of 42431304331424 in words is "forty-two trillion, four hundred thirty-one billion, three hundred four million, three hundred thirty-one thousand, four hundred twenty-four".