2154313234 has 16 divisors (see below), whose sum is σ = 3351677976. Its totient is φ = 1037664000.

The previous prime is 2154313211. The next prime is 2154313241. The reversal of 2154313234 is 4323134512.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2093520025 + 60793209 = 45755^2 + 7797^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136647 + ... + 151594.

Almost surely, 2^2154313234 is an apocalyptic number.

2154313234 is a deficient number, since it is larger than the sum of its proper divisors (1197364742).

2154313234 is a wasteful number, since it uses less digits than its factorization.

2154313234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288381.

The product of its digits is 8640, while the sum is 28.

The square root of 2154313234 is about 46414.5799722458. The cubic root of 2154313234 is about 1291.5253942327.

Adding to 2154313234 its reverse (4323134512), we get a palindrome (6477447746).

The spelling of 2154313234 in words is "two billion, one hundred fifty-four million, three hundred thirteen thousand, two hundred thirty-four".