2154313471 has 8 divisors (see below), whose sum is σ = 2223709488. Its totient is φ = 2085720000.

The previous prime is 2154313409. The next prime is 2154313477. The reversal of 2154313471 is 1743134512.

2154313471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2154313471 is a prime.

It is a super-3 number, since 3×2154313471³ (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 (2154313477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195180 + ... + 205921.

It is an arithmetic number, because the mean of its divisors is an integer number (277963686).

Almost surely, 2^2154313471 is an apocalyptic number.

2154313471 is a deficient number, since it is larger than the sum of its proper divisors (69396017).

2154313471 is a wasteful number, since it uses less digits than its factorization.

2154313471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401273.

The product of its digits is 10080, while the sum is 31.

The square root of 2154313471 is about 46414.5825253228. The cubic root of 2154313471 is about 1291.5254415938.

Adding to 2154313471 its reverse (1743134512), we get a palindrome (3897447983).

The spelling of 2154313471 in words is "two billion, one hundred fifty-four million, three hundred thirteen thousand, four hundred seventy-one".