313301221040 has 20 divisors (see below), whose sum is σ = 728425339104. Its totient is φ = 125320488384.

The previous prime is 313301220971. The next prime is 313301221067. The reversal of 313301221040 is 40122103313.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958132552 + ... + 1958132711.

Almost surely, 2^313301221040 is an apocalyptic number.

It is an amenable number.

313301221040 is an abundant number, since it is smaller than the sum of its proper divisors (415124118064).

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

313301221040 is a wasteful number, since it uses less digits than its factorization.

313301221040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916265276 (or 3916265270 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 313301221040 its reverse (40122103313), we get a palindrome (353423324353).

The spelling of 313301221040 in words is "three hundred thirteen billion, three hundred one million, two hundred twenty-one thousand, forty".