1011001131 has 12 divisors (see below), whose sum is σ = 1668954352. Its totient is φ = 577714896.

The previous prime is 1011001091. The next prime is 1011001151. The reversal of 1011001131 is 1311001101.

1011001131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011001131 - 2⁷ = 1011001003 is a prime.

It is a super-2 number, since 2×1011001131² = 2044246573766558322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011001151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8023756 + ... + 8023881.

Almost surely, 2^1011001131 is an apocalyptic number.

1011001131 is a deficient number, since it is larger than the sum of its proper divisors (657953221).

1011001131 is a wasteful number, since it uses less digits than its factorization.

1011001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16047650 (or 16047647 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 1011001131 is about 31796.2439762938. The cubic root of 1011001131 is about 1003.6536780453.

Adding to 1011001131 its reverse (1311001101), we get a palindrome (2322002232).

The spelling of 1011001131 in words is "one billion, eleven million, one thousand, one hundred thirty-one".