1144311030 has 32 divisors (see below), whose sum is σ = 3051496800. Its totient is φ = 305149536.

The previous prime is 1144311013. The next prime is 1144311041. The reversal of 1144311030 is 301134411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1144310994 and 1144311012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2118825 + ... + 2119364.

It is an arithmetic number, because the mean of its divisors is an integer number (95359275).

Almost surely, 2^1144311030 is an apocalyptic number.

1144311030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144311030 is an abundant number, since it is smaller than the sum of its proper divisors (1907185770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144311030 is a wasteful number, since it uses less digits than its factorization.

1144311030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238205 (or 4238199 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1144311030 is about 33827.6666354628. Note that the first 4 decimals coincide. The cubic root of 1144311030 is about 1045.9590807391.

Adding to 1144311030 its reverse (301134411), we get a palindrome (1445445441).

The spelling of 1144311030 in words is "one billion, one hundred forty-four million, three hundred eleven thousand, thirty".