320111045010 has 80 divisors (see below), whose sum is σ = 861492070296. Its totient is φ = 85288660992.

The previous prime is 320111044993. The next prime is 320111045021. The reversal of 320111045010 is 10540111023.

320111045010 is a `hidden beast` number, since 3 + 201 + 1 + 1 + 0 + 450 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 305157912921 + 14953132089 = 552411^2 + 122283^2 .

It is a super-2 number, since 2×320111045010² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 762552 + ... + 1105308.

Almost surely, 2^320111045010 is an apocalyptic number.

320111045010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 320111045010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430746035148).

320111045010 is an abundant number, since it is smaller than the sum of its proper divisors (541381025286).

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

320111045010 is a wasteful number, since it uses less digits than its factorization.

320111045010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343929 (or 343920 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 320111045010 its reverse (10540111023), we get a palindrome (330651156033).

The spelling of 320111045010 in words is "three hundred twenty billion, one hundred eleven million, forty-five thousand, ten".