1141020311 has 8 divisors (see below), whose sum is σ = 1160262048. Its totient is φ = 1121796000.

The previous prime is 1141020299. The next prime is 1141020313. The reversal of 1141020311 is 1130201411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141020311 is a prime.

It is a super-2 number, since 2×1141020311² = 2603854700229073442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141020313) 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, 255881 + ... + 260301.

It is an arithmetic number, because the mean of its divisors is an integer number (145032756).

Almost surely, 2^1141020311 is an apocalyptic number.

1141020311 is a deficient number, since it is larger than the sum of its proper divisors (19241737).

1141020311 is an equidigital number, since it uses as much as digits as its factorization.

1141020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8713.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1141020311 is about 33778.9921548882. The cubic root of 1141020311 is about 1044.9554893551.

Adding to 1141020311 its reverse (1130201411), we get a palindrome (2271221722).

The spelling of 1141020311 in words is "one billion, one hundred forty-one million, twenty thousand, three hundred eleven".