2154354311 has 4 divisors (see below), whose sum is σ = 2267741400. Its totient is φ = 2040967224.

The previous prime is 2154354289. The next prime is 2154354347. The reversal of 2154354311 is 1134534512.

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

It is a cyclic number.

It is not a de Polignac number, because 2154354311 - 2¹⁸ = 2154092167 is a prime.

It is a super-3 number, since 3×2154354311³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154356311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56693516 + ... + 56693553.

It is an arithmetic number, because the mean of its divisors is an integer number (566935350).

Almost surely, 2^2154354311 is an apocalyptic number.

2154354311 is a deficient number, since it is larger than the sum of its proper divisors (113387089).

2154354311 is a wasteful number, since it uses less digits than its factorization.

2154354311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113387088.

The product of its digits is 7200, while the sum is 29.

The square root of 2154354311 is about 46415.0224711784. The cubic root of 2154354311 is about 1291.5336028272.

Adding to 2154354311 its reverse (1134534512), we get a palindrome (3288888823).

The spelling of 2154354311 in words is "two billion, one hundred fifty-four million, three hundred fifty-four thousand, three hundred eleven".