43102420133 has 8 divisors (see below), whose sum is σ = 43197226776. Its totient is φ = 43007660800.

The previous prime is 43102420117. The next prime is 43102420139. The reversal of 43102420133 is 33102420134.

It can be written as a sum of positive squares in 4 ways, for example, as 14539054084 + 28563366049 = 120578^2 + 169007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43102420133 - 2⁴ = 43102420117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43102420099 and 43102420108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43102420139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293985 + ... + 2312697.

It is an arithmetic number, because the mean of its divisors is an integer number (5399653347).

Almost surely, 2^43102420133 is an apocalyptic number.

It is an amenable number.

43102420133 is a deficient number, since it is larger than the sum of its proper divisors (94806643).

43102420133 is a wasteful number, since it uses less digits than its factorization.

43102420133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23655.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43102420133 its reverse (33102420134), we get a palindrome (76204840267).

Subtracting from 43102420133 its reverse (33102420134), we obtain a palindrome (9999999999).

The spelling of 43102420133 in words is "forty-three billion, one hundred two million, four hundred twenty thousand, one hundred thirty-three".