31442130342 has 32 divisors (see below), whose sum is σ = 79853030400. Its totient is φ = 8983465704.

The previous prime is 31442130331. The next prime is 31442130361. The reversal of 31442130342 is 24303124413.

31442130342 is a `hidden beast` number, since 314 + 4 + 2 + 1 + 3 + 0 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 41589742 + ... + 41590497.

It is an arithmetic number, because the mean of its divisors is an integer number (2495407200).

Almost surely, 2^31442130342 is an apocalyptic number.

31442130342 is an abundant number, since it is smaller than the sum of its proper divisors (48410900058).

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

31442130342 is a wasteful number, since it uses less digits than its factorization.

31442130342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83180257 (or 83180251 counting only the distinct ones).

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

Adding to 31442130342 its reverse (24303124413), we get a palindrome (55745254755).

The spelling of 31442130342 in words is "thirty-one billion, four hundred forty-two million, one hundred thirty thousand, three hundred forty-two".