43201231431 has 8 divisors (see below), whose sum is σ = 57605702640. Its totient is φ = 28798790592.

The previous prime is 43201231429. The next prime is 43201231501. The reversal of 43201231431 is 13413210234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43201231431 - 2¹ = 43201231429 is a prime.

It is a super-2 number, since 2×43201231431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43201231421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457230 + ... + 543563.

It is an arithmetic number, because the mean of its divisors is an integer number (7200712830).

Almost surely, 2^43201231431 is an apocalyptic number.

43201231431 is a deficient number, since it is larger than the sum of its proper divisors (14404471209).

43201231431 is a wasteful number, since it uses less digits than its factorization.

43201231431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015185.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 43201231431 its reverse (13413210234), we get a palindrome (56614441665).

The spelling of 43201231431 in words is "forty-three billion, two hundred one million, two hundred thirty-one thousand, four hundred thirty-one".