1001131043 has 8 divisors (see below), whose sum is σ = 1092400320. Its totient is φ = 909904680.

The previous prime is 1001131013. The next prime is 1001131049. The reversal of 1001131043 is 3401311001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001131043 - 2¹⁰ = 1001130019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001131049) 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, 56288 + ... + 71906.

It is an arithmetic number, because the mean of its divisors is an integer number (136550040).

Almost surely, 2^1001131043 is an apocalyptic number.

1001131043 is a deficient number, since it is larger than the sum of its proper divisors (91269277).

1001131043 is a wasteful number, since it uses less digits than its factorization.

1001131043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21457.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1001131043 is about 31640.6549078871. The cubic root of 1001131043 is about 1000.3768722828.

Adding to 1001131043 its reverse (3401311001), we get a palindrome (4402442044).

The spelling of 1001131043 in words is "one billion, one million, one hundred thirty-one thousand, forty-three".