2311143354 has 96 divisors (see below), whose sum is σ = 5670135744. Its totient is φ = 701239680.

The previous prime is 2311143349. The next prime is 2311143377. The reversal of 2311143354 is 4533411132.

It is a happy number.

2311143354 is a `hidden beast` number, since 2 + 311 + 14 + 335 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 458709 + ... + 463719.

It is an arithmetic number, because the mean of its divisors is an integer number (59063914).

Almost surely, 2^2311143354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311143354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2835067872).

2311143354 is an abundant number, since it is smaller than the sum of its proper divisors (3358992390).

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

2311143354 is a wasteful number, since it uses less digits than its factorization.

2311143354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114 (or 5102 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2311143354 is about 48074.3523513318. The cubic root of 2311143354 is about 1322.1344702062.

Adding to 2311143354 its reverse (4533411132), we get a palindrome (6844554486).

The spelling of 2311143354 in words is "two billion, three hundred eleven million, one hundred forty-three thousand, three hundred fifty-four".