1004311131 has 8 divisors (see below), whose sum is σ = 1352886864. Its totient is φ = 662638080.

The previous prime is 1004311129. The next prime is 1004311153. The reversal of 1004311131 is 1311134001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1004311131 - 2¹ = 1004311129 is a prime.

It is a super-2 number, since 2×1004311131² = 2017281695700998322, 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 1004311131.

It is not an unprimeable number, because it can be changed into a prime (1004311171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725330 + ... + 1725911.

It is an arithmetic number, because the mean of its divisors is an integer number (169110858).

Almost surely, 2^1004311131 is an apocalyptic number.

1004311131 is a deficient number, since it is larger than the sum of its proper divisors (348575733).

1004311131 is an equidigital number, since it uses as much as digits as its factorization.

1004311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451341.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1004311131 is about 31690.8682588534. The cubic root of 1004311131 is about 1001.4349835040.

Adding to 1004311131 its reverse (1311134001), we get a palindrome (2315445132).

The spelling of 1004311131 in words is "one billion, four million, three hundred eleven thousand, one hundred thirty-one".