313240403020242 has 32 divisors (see below), whose sum is σ = 641829563492544. Its totient is φ = 101855886969600.

The previous prime is 313240403020117. The next prime is 313240403020277. The reversal of 313240403020242 is 242020304042313.

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, 65890684 + ... + 70484487.

It is an arithmetic number, because the mean of its divisors is an integer number (20057173859142).

Almost surely, 2^{313240403020242} is an apocalyptic number.

313240403020242 is an abundant number, since it is smaller than the sum of its proper divisors (328589160472302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313240403020242 is a wasteful number, since it uses less digits than its factorization.

313240403020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136384554.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 313240403020242 its reverse (242020304042313), we get a palindrome (555260707062555).

The spelling of 313240403020242 in words is "three hundred thirteen trillion, two hundred forty billion, four hundred three million, twenty thousand, two hundred forty-two".