43343241631 has 16 divisors (see below), whose sum is σ = 46219904640. Its totient is φ = 40567080960.

The previous prime is 43343241629. The next prime is 43343241649. The reversal of 43343241631 is 13614234334.

It is a cyclic number.

It is not a de Polignac number, because 43343241631 - 2¹ = 43343241629 is a prime.

It is a super-2 number, since 2×43343241631² (a number of 22 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 (43343248631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216255 + ... + 365311.

It is an arithmetic number, because the mean of its divisors is an integer number (2888744040).

Almost surely, 2^43343241631 is an apocalyptic number.

43343241631 is a deficient number, since it is larger than the sum of its proper divisors (2876663009).

43343241631 is a wasteful number, since it uses less digits than its factorization.

43343241631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149394.

The product of its digits is 62208, while the sum is 34.

Adding to 43343241631 its reverse (13614234334), we get a palindrome (56957475965).

The spelling of 43343241631 in words is "forty-three billion, three hundred forty-three million, two hundred forty-one thousand, six hundred thirty-one".