1011316320 has 384 divisors, whose sum is σ = 4128122880. Its totient is φ = 226437120.

The previous prime is 1011316289. The next prime is 1011316351. The reversal of 1011316320 is 236131101.

1011316320 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 31 + 632 + 0 = 666.

1011316320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1011316289) and next prime (1011316351).

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

It is a junction number, because it is equal to n+sod(n) for n = 1011316293 and 1011316302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1602405 + ... + 1603035.

It is an arithmetic number, because the mean of its divisors is an integer number (10750320).

Almost surely, 2^1011316320 is an apocalyptic number.

1011316320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011316320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2064061440).

1011316320 is an abundant number, since it is smaller than the sum of its proper divisors (3116806560).

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

1011316320 is a wasteful number, since it uses less digits than its factorization.

1011316320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1011316320 is about 31801.1999773593. The cubic root of 1011316320 is about 1003.7579666628.

Adding to 1011316320 its reverse (236131101), we get a palindrome (1247447421).

The spelling of 1011316320 in words is "one billion, eleven million, three hundred sixteen thousand, three hundred twenty".