2152431471 has 16 divisors (see below), whose sum is σ = 2999137536. Its totient is φ = 1370525376.

The previous prime is 2152431461. The next prime is 2152431493. The reversal of 2152431471 is 1741342512.

It is not a de Polignac number, because 2152431471 - 2⁵ = 2152431439 is a prime.

It is a super-3 number, since 3×2152431471³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152431431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24291 + ... + 69963.

It is an arithmetic number, because the mean of its divisors is an integer number (187446096).

Almost surely, 2^2152431471 is an apocalyptic number.

2152431471 is a deficient number, since it is larger than the sum of its proper divisors (846706065).

2152431471 is a wasteful number, since it uses less digits than its factorization.

2152431471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46382.

The product of its digits is 6720, while the sum is 30.

The square root of 2152431471 is about 46394.3042948162. The cubic root of 2152431471 is about 1291.1492414632.

Adding to 2152431471 its reverse (1741342512), we get a palindrome (3893773983).

The spelling of 2152431471 in words is "two billion, one hundred fifty-two million, four hundred thirty-one thousand, four hundred seventy-one".