43121024311431 has 16 divisors (see below), whose sum is σ = 62735241823488. Its totient is φ = 26128224163200.

The previous prime is 43121024311429. The next prime is 43121024311451. The reversal of 43121024311431 is 13411342012134.

43121024311431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43121024311431 - 2¹ = 43121024311429 is a prime.

It is a super-2 number, since 2×43121024311431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43121024311451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143096331 + ... + 143397356.

It is an arithmetic number, because the mean of its divisors is an integer number (3920952613968).

Almost surely, 2^{43121024311431} is an apocalyptic number.

43121024311431 is a deficient number, since it is larger than the sum of its proper divisors (19614217512057).

43121024311431 is a wasteful number, since it uses less digits than its factorization.

43121024311431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286498262.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 43121024311431 its reverse (13411342012134), we get a palindrome (56532366323565).

The spelling of 43121024311431 in words is "forty-three trillion, one hundred twenty-one billion, twenty-four million, three hundred eleven thousand, four hundred thirty-one".