43030232131 has 4 divisors (see below), whose sum is σ = 43031438632. Its totient is φ = 43029025632.

The previous prime is 43030232129. The next prime is 43030232173. The reversal of 43030232131 is 13123203034.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43030232131 - 2¹ = 43030232129 is a prime.

It is a super-2 number, since 2×43030232131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43030232191) 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, 548070 + ... + 621643.

It is an arithmetic number, because the mean of its divisors is an integer number (10757859658).

Almost surely, 2^43030232131 is an apocalyptic number.

43030232131 is a deficient number, since it is larger than the sum of its proper divisors (1206501).

43030232131 is a wasteful number, since it uses less digits than its factorization.

43030232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206500.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 43030232131 its reverse (13123203034), we get a palindrome (56153435165).

The spelling of 43030232131 in words is "forty-three billion, thirty million, two hundred thirty-two thousand, one hundred thirty-one".