43313431242 has 16 divisors (see below), whose sum is σ = 86668475040. Its totient is φ = 14430874992.

The previous prime is 43313431211. The next prime is 43313431247. The reversal of 43313431242 is 24213431334.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43313431247) 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, 1720317 + ... + 1745312.

It is an arithmetic number, because the mean of its divisors is an integer number (5416779690).

Almost surely, 2^43313431242 is an apocalyptic number.

43313431242 is an abundant number, since it is smaller than the sum of its proper divisors (43355043798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43313431242 is a wasteful number, since it uses less digits than its factorization.

43313431242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467717.

The product of its digits is 20736, while the sum is 30.

Adding to 43313431242 its reverse (24213431334), we get a palindrome (67526862576).

The spelling of 43313431242 in words is "forty-three billion, three hundred thirteen million, four hundred thirty-one thousand, two hundred forty-two".