31210104242 has 16 divisors (see below), whose sum is σ = 49065815232. Its totient is φ = 14860810800.

The previous prime is 31210104161. The next prime is 31210104253. The reversal of 31210104242 is 24240101213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484009 + ... + 1504892.

It is an arithmetic number, because the mean of its divisors is an integer number (3066613452).

Almost surely, 2^31210104242 is an apocalyptic number.

31210104242 is a deficient number, since it is larger than the sum of its proper divisors (17855710990).

31210104242 is a wasteful number, since it uses less digits than its factorization.

31210104242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989153.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31210104242 its reverse (24240101213), we get a palindrome (55450205455).

The spelling of 31210104242 in words is "thirty-one billion, two hundred ten million, one hundred four thousand, two hundred forty-two".