43342123031 has 32 divisors (see below), whose sum is σ = 45818099712. Its totient is φ = 40950000000.

The previous prime is 43342123021. The next prime is 43342123039. The reversal of 43342123031 is 13032124334.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43342123031 is a prime.

It is a super-2 number, since 2×43342123031² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43342123039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102950201 + ... + 102950621.

It is an arithmetic number, because the mean of its divisors is an integer number (1431815616).

Almost surely, 2^43342123031 is an apocalyptic number.

43342123031 is a deficient number, since it is larger than the sum of its proper divisors (2475976681).

43342123031 is a wasteful number, since it uses less digits than its factorization.

43342123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 43342123031 its reverse (13032124334), we get a palindrome (56374247365).

The spelling of 43342123031 in words is "forty-three billion, three hundred forty-two million, one hundred twenty-three thousand, thirty-one".