4313231551 has 4 divisors (see below), whose sum is σ = 4566951072. Its totient is φ = 4059512032.

The previous prime is 4313231513. The next prime is 4313231557. The reversal of 4313231551 is 1551323134.

It is a happy number.

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 4313231551 - 2¹⁷ = 4313100479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4313231557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126859735 + ... + 126859768.

It is an arithmetic number, because the mean of its divisors is an integer number (1141737768).

Almost surely, 2^4313231551 is an apocalyptic number.

4313231551 is a deficient number, since it is larger than the sum of its proper divisors (253719521).

4313231551 is a wasteful number, since it uses less digits than its factorization.

4313231551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253719520.

The product of its digits is 5400, while the sum is 28.

The square root of 4313231551 is about 65675.1973807464. The cubic root of 4313231551 is about 1627.7995514072.

Adding to 4313231551 its reverse (1551323134), we get a palindrome (5864554685).

The spelling of 4313231551 in words is "four billion, three hundred thirteen million, two hundred thirty-one thousand, five hundred fifty-one".