310020212320 has 192 divisors, whose sum is σ = 948888622080. Its totient is φ = 92952188928.

The previous prime is 310020212291. The next prime is 310020212351. The reversal of 310020212320 is 23212020013.

It is a super-2 number, since 2×310020212320² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 310020212294 and 310020212303.

It is a congruent number.

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, 283692 + ... + 836971.

It is an arithmetic number, because the mean of its divisors is an integer number (4942128240).

Almost surely, 2^310020212320 is an apocalyptic number.

It is an amenable number.

310020212320 is an abundant number, since it is smaller than the sum of its proper divisors (638868409760).

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

310020212320 is a wasteful number, since it uses less digits than its factorization.

310020212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120717 (or 1120709 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 310020212320 its reverse (23212020013), we get a palindrome (333232232333).

The spelling of 310020212320 in words is "three hundred ten billion, twenty million, two hundred twelve thousand, three hundred twenty".