1011104131 has 4 divisors (see below), whose sum is σ = 1011528000. Its totient is φ = 1010680264.

The previous prime is 1011104123. The next prime is 1011104137. The reversal of 1011104131 is 1314011101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011104131 - 2³ = 1011104123 is a prime.

It is a super-2 number, since 2×1011104131² = 2044663127450530322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011104137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208336 + ... + 213133.

It is an arithmetic number, because the mean of its divisors is an integer number (252882000).

Almost surely, 2^1011104131 is an apocalyptic number.

1011104131 is a deficient number, since it is larger than the sum of its proper divisors (423869).

1011104131 is an equidigital number, since it uses as much as digits as its factorization.

1011104131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423868.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1011104131 is about 31797.8636232059. The cubic root of 1011104131 is about 1003.6877607037.

Adding to 1011104131 its reverse (1314011101), we get a palindrome (2325115232).

The spelling of 1011104131 in words is "one billion, eleven million, one hundred four thousand, one hundred thirty-one".