3121330110242 has 32 divisors (see below), whose sum is σ = 4957075169280. Its totient is φ = 1469935959120.

The previous prime is 3121330110229. The next prime is 3121330110277. The reversal of 3121330110242 is 2420110331213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12556643 + ... + 12802809.

It is an arithmetic number, because the mean of its divisors is an integer number (154908599040).

Almost surely, 2^{3121330110242} is an apocalyptic number.

3121330110242 is a deficient number, since it is larger than the sum of its proper divisors (1835745059038).

3121330110242 is a wasteful number, since it uses less digits than its factorization.

3121330110242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248126.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3121330110242 its reverse (2420110331213), we get a palindrome (5541440441455).

The spelling of 3121330110242 in words is "three trillion, one hundred twenty-one billion, three hundred thirty million, one hundred ten thousand, two hundred forty-two".