1011013133 has 8 divisors (see below), whose sum is σ = 1089324600. Its totient is φ = 932779008.

The previous prime is 1011013121. The next prime is 1011013151. The reversal of 1011013133 is 3313101101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42745444 + 968267689 = 6538^2 + 31117^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1011013133 - 2⁴ = 1011013117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011013153) 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, 9413 + ... + 45941.

It is an arithmetic number, because the mean of its divisors is an integer number (136165575).

Almost surely, 2^1011013133 is an apocalyptic number.

1011013133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1011013133 is a deficient number, since it is larger than the sum of its proper divisors (78311467).

1011013133 is a wasteful number, since it uses less digits than its factorization.

1011013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38671.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1011013133 is about 31796.4327087175. The cubic root of 1011013133 is about 1003.6576496214.

Adding to 1011013133 its reverse (3313101101), we get a palindrome (4324114234).

The spelling of 1011013133 in words is "one billion, eleven million, thirteen thousand, one hundred thirty-three".