313231000033242 has 24 divisors (see below), whose sum is σ = 678683568806100. Its totient is φ = 104407809949440.

The previous prime is 313231000033229. The next prime is 313231000033249. The reversal of 313231000033242 is 242330000132313.

313231000033242 is a `hidden beast` number, since 3 + 1 + 323 + 1 + 0 + 0 + 0 + 0 + 332 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 308870466733521 + 4360533299721 = 17574711^2 + 2088189^2 .

It is a super-2 number, since 2×313231000033242² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313231000033249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209517367 + ... + 211007082.

Almost surely, 2^{313231000033242} is an apocalyptic number.

313231000033242 is an abundant number, since it is smaller than the sum of its proper divisors (365452568772858).

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

313231000033242 is a wasteful number, since it uses less digits than its factorization.

313231000033242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420565838 (or 420565835 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 313231000033242 its reverse (242330000132313), we get a palindrome (555561000165555).

The spelling of 313231000033242 in words is "three hundred thirteen trillion, two hundred thirty-one billion, thirty-three thousand, two hundred forty-two".