1004011131 has 4 divisors (see below), whose sum is σ = 1338681512. Its totient is φ = 669340752.

The previous prime is 1004011103. The next prime is 1004011159. The reversal of 1004011131 is 1311104001.

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

It is an interprime number because it is at equal distance from previous prime (1004011103) and next prime (1004011159).

It is not a de Polignac number, because 1004011131 - 2¹⁰ = 1004010107 is a prime.

It is a super-2 number, since 2×1004011131² = 2016076702343798322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004011331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167335186 + ... + 167335191.

It is an arithmetic number, because the mean of its divisors is an integer number (334670378).

Almost surely, 2^1004011131 is an apocalyptic number.

1004011131 is a deficient number, since it is larger than the sum of its proper divisors (334670381).

1004011131 is an equidigital number, since it uses as much as digits as its factorization.

1004011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334670380.

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

The square root of 1004011131 is about 31686.1346806454. The cubic root of 1004011131 is about 1001.3352599540.

Adding to 1004011131 its reverse (1311104001), we get a palindrome (2315115132).

The spelling of 1004011131 in words is "one billion, four million, eleven thousand, one hundred thirty-one".