1011323196 has 72 divisors (see below), whose sum is σ = 2771714400. Its totient is φ = 309066624.

The previous prime is 1011323153. The next prime is 1011323197. The reversal of 1011323196 is 6913231101.

1011323196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011323197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62481 + ... + 76983.

Almost surely, 2^1011323196 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 1011323196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1385857200).

1011323196 is an abundant number, since it is smaller than the sum of its proper divisors (1760391204).

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

1011323196 is a wasteful number, since it uses less digits than its factorization.

1011323196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14675 (or 14670 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1011323196 is about 31801.3080863036. The cubic root of 1011323196 is about 1003.7602415278.

Adding to 1011323196 its reverse (6913231101), we get a palindrome (7924554297).

The spelling of 1011323196 in words is "one billion, eleven million, three hundred twenty-three thousand, one hundred ninety-six".