1100311131 has 16 divisors (see below), whose sum is σ = 1489049600. Its totient is φ = 722599488.

The previous prime is 1100311129. The next prime is 1100311151. The reversal of 1100311131 is 1311130011.

It is not a de Polignac number, because 1100311131 - 2¹ = 1100311129 is a prime.

It is a super-2 number, since 2×1100311131² = 2421369170004998322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100311151) 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, 103230 + ... + 113388.

It is an arithmetic number, because the mean of its divisors is an integer number (93065600).

Almost surely, 2^1100311131 is an apocalyptic number.

1100311131 is a deficient number, since it is larger than the sum of its proper divisors (388738469).

1100311131 is a wasteful number, since it uses less digits than its factorization.

1100311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10698.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 1100311131 is about 33170.9380482373. The cubic root of 1100311131 is about 1032.3774318407.

Adding to 1100311131 its reverse (1311130011), we get a palindrome (2411441142).

The spelling of 1100311131 in words is "one billion, one hundred million, three hundred eleven thousand, one hundred thirty-one".