1101133131 has 16 divisors (see below), whose sum is σ = 1683322368. Its totient is φ = 627192000.

The previous prime is 1101133127. The next prime is 1101133147. The reversal of 1101133131 is 1313311011.

It is not a de Polignac number, because 1101133131 - 2² = 1101133127 is a prime.

It is a super-2 number, since 2×1101133131² = 2424988344371726322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1101133131.

It is not an unprimeable number, because it can be changed into a prime (1101133181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77770 + ... + 90831.

It is an arithmetic number, because the mean of its divisors is an integer number (105207648).

Almost surely, 2^1101133131 is an apocalyptic number.

1101133131 is a deficient number, since it is larger than the sum of its proper divisors (582189237).

1101133131 is a wasteful number, since it uses less digits than its factorization.

1101133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168922.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 1101133131 is about 33183.3260991119. The cubic root of 1101133131 is about 1032.6344509663.

Adding to 1101133131 its reverse (1313311011), we get a palindrome (2414444142).

The spelling of 1101133131 in words is "one billion, one hundred one million, one hundred thirty-three thousand, one hundred thirty-one".