313280901612 has 180 divisors, whose sum is σ = 953125949160. Its totient is φ = 89467773696.

The previous prime is 313280901611. The next prime is 313280901617. The reversal of 313280901612 is 216109082313.

313280901612 is a `hidden beast` number, since 3 + 1 + 32 + 8 + 0 + 9 + 0 + 1 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (313280901611) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 58087588 + ... + 58092980.

It is an arithmetic number, because the mean of its divisors is an integer number (5295144162).

Almost surely, 2^313280901612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313280901612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476562974580).

313280901612 is an abundant number, since it is smaller than the sum of its proper divisors (639845047548).

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

313280901612 is a wasteful number, since it uses less digits than its factorization.

313280901612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082 (or 9064 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

Adding to 313280901612 its reverse (216109082313), we get a palindrome (529389983925).

The spelling of 313280901612 in words is "three hundred thirteen billion, two hundred eighty million, nine hundred one thousand, six hundred twelve".