310013101220 has 96 divisors (see below), whose sum is σ = 676756684800. Its totient is φ = 119163242880.

The previous prime is 310013101159. The next prime is 310013101291. The reversal of 310013101220 is 22101310013.

It is a super-2 number, since 2×310013101220² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 310013101195 and 310013101204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69460709 + ... + 69465171.

It is an arithmetic number, because the mean of its divisors is an integer number (7049548800).

Almost surely, 2^310013101220 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 310013101220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338378342400).

310013101220 is an abundant number, since it is smaller than the sum of its proper divisors (366743583580).

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

310013101220 is a wasteful number, since it uses less digits than its factorization.

310013101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265 (or 5263 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 310013101220 its reverse (22101310013), we get a palindrome (332114411233).

The spelling of 310013101220 in words is "three hundred ten billion, thirteen million, one hundred one thousand, two hundred twenty".