4311443420431 has 4 divisors (see below), whose sum is σ = 4927363909072. Its totient is φ = 3695522931792.

The previous prime is 4311443420387. The next prime is 4311443420443. The reversal of 4311443420431 is 1340243441134.

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 4311443420431 - 2¹⁵ = 4311443387663 is a prime.

It is a super-2 number, since 2×4311443420431² (a number of 26 digits) contains 22 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 (4311443420731) 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, 307960244310 + ... + 307960244323.

It is an arithmetic number, because the mean of its divisors is an integer number (1231840977268).

Almost surely, 2^{4311443420431} is an apocalyptic number.

4311443420431 is a deficient number, since it is larger than the sum of its proper divisors (615920488641).

4311443420431 is an equidigital number, since it uses as much as digits as its factorization.

4311443420431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615920488640.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 4311443420431 its reverse (1340243441134), we get a palindrome (5651686861565).

The spelling of 4311443420431 in words is "four trillion, three hundred eleven billion, four hundred forty-three million, four hundred twenty thousand, four hundred thirty-one".