31634132242 has 16 divisors (see below), whose sum is σ = 50665792320. Its totient is φ = 14777520912.

The previous prime is 31634132183. The next prime is 31634132261. The reversal of 31634132242 is 24223143613.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 7994517 + ... + 7998472.

It is an arithmetic number, because the mean of its divisors is an integer number (3166612020).

Almost surely, 2^31634132242 is an apocalyptic number.

31634132242 is a deficient number, since it is larger than the sum of its proper divisors (19031660078).

31634132242 is a wasteful number, since it uses less digits than its factorization.

31634132242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15993057.

The product of its digits is 20736, while the sum is 31.

Adding to 31634132242 its reverse (24223143613), we get a palindrome (55857275855).

The spelling of 31634132242 in words is "thirty-one billion, six hundred thirty-four million, one hundred thirty-two thousand, two hundred forty-two".