1141001031 has 4 divisors (see below), whose sum is σ = 1521334712. Its totient is φ = 760667352.

The previous prime is 1141001011. The next prime is 1141001033. The reversal of 1141001031 is 1301001411.

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

It is not a de Polignac number, because 1141001031 - 2⁹ = 1141000519 is a prime.

It is a super-2 number, since 2×1141001031² = 2603766705486125922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1141000998 and 1141001016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141001033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190166836 + ... + 190166841.

It is an arithmetic number, because the mean of its divisors is an integer number (380333678).

Almost surely, 2^1141001031 is an apocalyptic number.

1141001031 is a deficient number, since it is larger than the sum of its proper divisors (380333681).

1141001031 is an equidigital number, since it uses as much as digits as its factorization.

1141001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380333680.

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

The square root of 1141001031 is about 33778.7067692060. The cubic root of 1141001031 is about 1044.9496037294.

Adding to 1141001031 its reverse (1301001411), we get a palindrome (2442002442).

The spelling of 1141001031 in words is "one billion, one hundred forty-one million, one thousand, thirty-one".