1011133331 has 8 divisors (see below), whose sum is σ = 1092633360. Its totient is φ = 930164832.

The previous prime is 1011133313. The next prime is 1011133339. The reversal of 1011133331 is 1333311101.

1011133331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011133331 - 2¹⁴ = 1011116947 is a prime.

It is a super-2 number, since 2×1011133331² = 2044781226118311122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011133339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128921 + ... + 136538.

It is an arithmetic number, because the mean of its divisors is an integer number (136579170).

Almost surely, 2^1011133331 is an apocalyptic number.

1011133331 is a deficient number, since it is larger than the sum of its proper divisors (81500029).

1011133331 is a wasteful number, since it uses less digits than its factorization.

1011133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265765.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1011133331 is about 31798.3227702343. The cubic root of 1011133331 is about 1003.6974225507.

Adding to 1011133331 its reverse (1333311101), we get a palindrome (2344444432).

The spelling of 1011133331 in words is "one billion, eleven million, one hundred thirty-three thousand, three hundred thirty-one".