4131352431 has 10 divisors (see below), whose sum is σ = 6171526592. Its totient is φ = 2754234900.

The previous prime is 4131352411. The next prime is 4131352439. The reversal of 4131352431 is 1342531314.

It is a happy number.

4131352431 is a `hidden beast` number, since 4 + 131 + 3 + 524 + 3 + 1 = 666.

It is not a de Polignac number, because 4131352431 - 2⁶ = 4131352367 is a prime.

It is a super-2 number, since 2×4131352431² = 34136145818259219522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4131352395 and 4131352404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131352439) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25502095 + ... + 25502256.

Almost surely, 2^4131352431 is an apocalyptic number.

4131352431 is a deficient number, since it is larger than the sum of its proper divisors (2040174161).

4131352431 is an equidigital number, since it uses as much as digits as its factorization.

4131352431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51004363 (or 51004354 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 4131352431 is about 64275.5974768030. The cubic root of 4131352431 is about 1604.5900009603.

Adding to 4131352431 its reverse (1342531314), we get a palindrome (5473883745).

The spelling of 4131352431 in words is "four billion, one hundred thirty-one million, three hundred fifty-two thousand, four hundred thirty-one".