2432431043021 has 4 divisors (see below), whose sum is σ = 2779921192032. Its totient is φ = 2084940894012.

The previous prime is 2432431043011. The next prime is 2432431043057. The reversal of 2432431043021 is 1203401342342.

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 2432431043021 - 2²² = 2432426848717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2432431043011) 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, 173745074495 + ... + 173745074508.

It is an arithmetic number, because the mean of its divisors is an integer number (694980298008).

Almost surely, 2^{2432431043021} is an apocalyptic number.

It is an amenable number.

2432431043021 is a deficient number, since it is larger than the sum of its proper divisors (347490149011).

2432431043021 is an equidigital number, since it uses as much as digits as its factorization.

2432431043021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347490149010.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2432431043021 its reverse (1203401342342), we get a palindrome (3635832385363).

The spelling of 2432431043021 in words is "two trillion, four hundred thirty-two billion, four hundred thirty-one million, forty-three thousand, twenty-one".