31322044304542 has 4 divisors (see below), whose sum is σ = 46983066456816. Its totient is φ = 15661022152270.

The previous prime is 31322044304521. The next prime is 31322044304611. The reversal of 31322044304542 is 24540344022313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7830511076134 + ... + 7830511076137.

It is an arithmetic number, because the mean of its divisors is an integer number (11745766614204).

Almost surely, 2^{31322044304542} is an apocalyptic number.

31322044304542 is a deficient number, since it is larger than the sum of its proper divisors (15661022152274).

31322044304542 is a wasteful number, since it uses less digits than its factorization.

31322044304542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15661022152273.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 31322044304542 its reverse (24540344022313), we get a palindrome (55862388326855).

The spelling of 31322044304542 in words is "thirty-one trillion, three hundred twenty-two billion, forty-four million, three hundred four thousand, five hundred forty-two".