31442124330 has 24 divisors (see below), whose sum is σ = 81749523492. Its totient is φ = 8384566464.

The previous prime is 31442124323. The next prime is 31442124349. The reversal of 31442124330 is 3342124413.

31442124330 is a `hidden beast` number, since 3 + 14 + 4 + 212 + 433 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31402320849 + 39803481 = 177207^2 + 6309^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31442124294 and 31442124303.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 174678379 + ... + 174678558.

Almost surely, 2^31442124330 is an apocalyptic number.

31442124330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31442124330 is an abundant number, since it is smaller than the sum of its proper divisors (50307399162).

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

31442124330 is a wasteful number, since it uses less digits than its factorization.

31442124330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349356950 (or 349356947 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31442124330 its reverse (3342124413), we get a palindrome (34784248743).

The spelling of 31442124330 in words is "thirty-one billion, four hundred forty-two million, one hundred twenty-four thousand, three hundred thirty".