313230311012 has 24 divisors (see below), whose sum is σ = 550324870200. Its totient is φ = 155994918656.

The previous prime is 313230310993. The next prime is 313230311047. The reversal of 313230311012 is 210113032313.

It can be written as a sum of positive squares in 4 ways, for example, as 4787809636 + 308442501376 = 69194^2 + 555376^2 .

It is a super-2 number, since 2×313230311012² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4672064 + ... + 4738632.

It is an arithmetic number, because the mean of its divisors is an integer number (22930202925).

Almost surely, 2^313230311012 is an apocalyptic number.

It is an amenable number.

313230311012 is a deficient number, since it is larger than the sum of its proper divisors (237094559188).

313230311012 is a wasteful number, since it uses less digits than its factorization.

313230311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71215 (or 71213 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 313230311012 its reverse (210113032313), we get a palindrome (523343343325).

The spelling of 313230311012 in words is "three hundred thirteen billion, two hundred thirty million, three hundred eleven thousand, twelve".