31433300442 has 48 divisors (see below), whose sum is σ = 68779769760. Its totient is φ = 10374513696.

The previous prime is 31433300417. The next prime is 31433300443. The reversal of 31433300442 is 24400333413.

31433300442 is a `hidden beast` number, since 314 + 3 + 3 + 300 + 4 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (31433300443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 769333 + ... + 809159.

It is an arithmetic number, because the mean of its divisors is an integer number (1432911870).

Almost surely, 2^31433300442 is an apocalyptic number.

31433300442 is an abundant number, since it is smaller than the sum of its proper divisors (37346469318).

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

31433300442 is a wasteful number, since it uses less digits than its factorization.

31433300442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40267 (or 40264 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 31433300442 its reverse (24400333413), we get a palindrome (55833633855).

The spelling of 31433300442 in words is "thirty-one billion, four hundred thirty-three million, three hundred thousand, four hundred forty-two".