43042313133 has 6 divisors (see below), whose sum is σ = 62172230094. Its totient is φ = 28694875416.

The previous prime is 43042313113. The next prime is 43042313143. The reversal of 43042313133 is 33131324034.

It can be written as a sum of positive squares in only one way, i.e., 37542162564 + 5500150569 = 193758^2 + 74163^2 .

It is not a de Polignac number, because 43042313133 - 2⁵ = 43042313101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43042313097 and 43042313106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43042313113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2391239610 + ... + 2391239627.

It is an arithmetic number, because the mean of its divisors is an integer number (10362038349).

Almost surely, 2^43042313133 is an apocalyptic number.

It is an amenable number.

43042313133 is a deficient number, since it is larger than the sum of its proper divisors (19129916961).

43042313133 is a wasteful number, since it uses less digits than its factorization.

43042313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782479243 (or 4782479240 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 43042313133 its reverse (33131324034), we get a palindrome (76173637167).

It can be divided in two parts, 430423 and 13133, that added together give a square (443556 = 666²).

The spelling of 43042313133 in words is "forty-three billion, forty-two million, three hundred thirteen thousand, one hundred thirty-three".