2311421154 has 32 divisors (see below), whose sum is σ = 5426042496. Its totient is φ = 642556800.

The previous prime is 2311421149. The next prime is 2311421171. The reversal of 2311421154 is 4511241132.

2311421154 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 742147 + ... + 745254.

It is an arithmetic number, because the mean of its divisors is an integer number (169563828).

Almost surely, 2^2311421154 is an apocalyptic number.

2311421154 is an abundant number, since it is smaller than the sum of its proper divisors (3114621342).

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

2311421154 is a wasteful number, since it uses less digits than its factorization.

2311421154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487450.

The product of its digits is 960, while the sum is 24.

The square root of 2311421154 is about 48077.2415390068. The cubic root of 2311421154 is about 1322.1874417134.

Adding to 2311421154 its reverse (4511241132), we get a palindrome (6822662286).

The spelling of 2311421154 in words is "two billion, three hundred eleven million, four hundred twenty-one thousand, one hundred fifty-four".