4342021431 has 16 divisors (see below), whose sum is σ = 6373614720. Its totient is φ = 2607383520.

The previous prime is 4342021423. The next prime is 4342021451. The reversal of 4342021431 is 1341202434.

It is not a de Polignac number, because 4342021431 - 2³ = 4342021423 is a prime.

It is a super-2 number, since 2×4342021431² = 37706300214526575522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342021451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599965 + ... + 607158.

It is an arithmetic number, because the mean of its divisors is an integer number (398350920).

Almost surely, 2^4342021431 is an apocalyptic number.

4342021431 is a deficient number, since it is larger than the sum of its proper divisors (2031593289).

4342021431 is a wasteful number, since it uses less digits than its factorization.

4342021431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207246.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4342021431 is about 65894.0166555356. The cubic root of 4342021431 is about 1631.4132587325.

Adding to 4342021431 its reverse (1341202434), we get a palindrome (5683223865).

The spelling of 4342021431 in words is "four billion, three hundred forty-two million, twenty-one thousand, four hundred thirty-one".