1001541131 has 4 divisors (see below), whose sum is σ = 1004378712. Its totient is φ = 998703552.

The previous prime is 1001541109. The next prime is 1001541139. The reversal of 1001541131 is 1311451001.

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 1001541131 - 2¹⁰ = 1001540107 is a prime.

It is a super-2 number, since 2×1001541131² = 2006169274169518322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001541139) 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, 1418261 + ... + 1418966.

It is an arithmetic number, because the mean of its divisors is an integer number (251094678).

Almost surely, 2^1001541131 is an apocalyptic number.

1001541131 is a deficient number, since it is larger than the sum of its proper divisors (2837581).

1001541131 is an equidigital number, since it uses as much as digits as its factorization.

1001541131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837580.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1001541131 is about 31647.1346412278. The cubic root of 1001541131 is about 1000.5134466607.

Adding to 1001541131 its reverse (1311451001), we get a palindrome (2312992132).

The spelling of 1001541131 in words is "one billion, one million, five hundred forty-one thousand, one hundred thirty-one".