31204231442 has 8 divisors (see below), whose sum is σ = 49559661756. Its totient is φ = 14684344192.

The previous prime is 31204231439. The next prime is 31204231453. The reversal of 31204231442 is 24413240213.

It can be written as a sum of positive squares in 2 ways, for example, as 29333755441 + 1870476001 = 171271^2 + 43249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 458885723 + ... + 458885790.

Almost surely, 2^31204231442 is an apocalyptic number.

31204231442 is a deficient number, since it is larger than the sum of its proper divisors (18355430314).

31204231442 is a wasteful number, since it uses less digits than its factorization.

31204231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917771532.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31204231442 its reverse (24413240213), we get a palindrome (55617471655).

The spelling of 31204231442 in words is "thirty-one billion, two hundred four million, two hundred thirty-one thousand, four hundred forty-two".