1004001131 has 16 divisors (see below), whose sum is σ = 1187366400. Its totient is φ = 848431080.

The previous prime is 1004001107. The next prime is 1004001133. The reversal of 1004001131 is 1311004001.

It is not a de Polignac number, because 1004001131 - 2²⁶ = 936892267 is a prime.

It is a super-2 number, since 2×1004001131² = 2016036542098558322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004001133) 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, 3740 + ... + 44966.

It is an arithmetic number, because the mean of its divisors is an integer number (74210400).

Almost surely, 2^1004001131 is an apocalyptic number.

1004001131 is a deficient number, since it is larger than the sum of its proper divisors (183365269).

1004001131 is an frugal number, since it uses more digits than its factorization.

1004001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41319 (or 41305 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1004001131 is about 31685.9768825264. The cubic root of 1004001131 is about 1001.3319354935.

Adding to 1004001131 its reverse (1311004001), we get a palindrome (2315005132).

The spelling of 1004001131 in words is "one billion, four million, one thousand, one hundred thirty-one".