2311221254 has 4 divisors (see below), whose sum is σ = 3466831884. Its totient is φ = 1155610626.

The previous prime is 2311221239. The next prime is 2311221277. The reversal of 2311221254 is 4521221132.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 577805312 + ... + 577805315.

It is an arithmetic number, because the mean of its divisors is an integer number (866707971).

Almost surely, 2^2311221254 is an apocalyptic number.

2311221254 is a deficient number, since it is larger than the sum of its proper divisors (1155610630).

2311221254 is a wasteful number, since it uses less digits than its factorization.

2311221254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155610629.

The product of its digits is 960, while the sum is 23.

The square root of 2311221254 is about 48075.1625478271. The cubic root of 2311221254 is about 1322.1493247756.

Adding to 2311221254 its reverse (4521221132), we get a palindrome (6832442386).

The spelling of 2311221254 in words is "two billion, three hundred eleven million, two hundred twenty-one thousand, two hundred fifty-four".