1141023331 has 4 divisors (see below), whose sum is σ = 1304026672. Its totient is φ = 978019992.

The previous prime is 1141023287. The next prime is 1141023349. The reversal of 1141023331 is 1333201411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1333201411 = 4111 ⋅324301.

It is a cyclic number.

It is not a de Polignac number, because 1141023331 - 2⁹ = 1141022819 is a prime.

It is a super-2 number, since 2×1141023331² = 2603868483772671122, 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 = 1141023299 and 1141023308.

It is not an unprimeable number, because it can be changed into a prime (1141023931) 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, 81501660 + ... + 81501673.

It is an arithmetic number, because the mean of its divisors is an integer number (326006668).

Almost surely, 2^1141023331 is an apocalyptic number.

1141023331 is a deficient number, since it is larger than the sum of its proper divisors (163003341).

1141023331 is an equidigital number, since it uses as much as digits as its factorization.

1141023331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163003340.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1141023331 is about 33779.0368571989. The cubic root of 1141023331 is about 1044.9564112676.

Adding to 1141023331 its reverse (1333201411), we get a palindrome (2474224742).

The spelling of 1141023331 in words is "one billion, one hundred forty-one million, twenty-three thousand, three hundred thirty-one".