313421510242 has 16 divisors (see below), whose sum is σ = 503784544032. Its totient is φ = 145715456320.

The previous prime is 313421510173. The next prime is 313421510243. The reversal of 313421510242 is 242015124313.

It is a super-2 number, since 2×313421510242² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313421510242.

It is not an unprimeable number, because it can be changed into a prime (313421510243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55528984 + ... + 55534627.

It is an arithmetic number, because the mean of its divisors is an integer number (31486534002).

Almost surely, 2^313421510242 is an apocalyptic number.

313421510242 is a deficient number, since it is larger than the sum of its proper divisors (190363033790).

313421510242 is a wasteful number, since it uses less digits than its factorization.

313421510242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111063713.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 313421510242 its reverse (242015124313), we get a palindrome (555436634555).

The spelling of 313421510242 in words is "three hundred thirteen billion, four hundred twenty-one million, five hundred ten thousand, two hundred forty-two".