43130311233 has 4 divisors (see below), whose sum is σ = 57507081648. Its totient is φ = 28753540820.

The previous prime is 43130311207. The next prime is 43130311241. The reversal of 43130311233 is 33211303134.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43130311233 - 2²¹ = 43128214081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43130311633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7188385203 + ... + 7188385208.

It is an arithmetic number, because the mean of its divisors is an integer number (14376770412).

Almost surely, 2^43130311233 is an apocalyptic number.

It is an amenable number.

43130311233 is a deficient number, since it is larger than the sum of its proper divisors (14376770415).

43130311233 is a wasteful number, since it uses less digits than its factorization.

43130311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14376770414.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 43130311233 its reverse (33211303134), we get a palindrome (76341614367).

The spelling of 43130311233 in words is "forty-three billion, one hundred thirty million, three hundred eleven thousand, two hundred thirty-three".