1021431210043 has 8 divisors (see below), whose sum is σ = 1033819991568. Its totient is φ = 1009044390144.

The previous prime is 1021431210029. The next prime is 1021431210089. The reversal of 1021431210043 is 3400121341201.

1021431210043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1021431210043 - 2³³ = 1012841275451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021431209996 and 1021431210023.

It is not an unprimeable number, because it can be changed into a prime (1021431210343) 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, 571171 + ... + 1539187.

It is an arithmetic number, because the mean of its divisors is an integer number (129227498946).

Almost surely, 2^{1021431210043} is an apocalyptic number.

1021431210043 is a deficient number, since it is larger than the sum of its proper divisors (12388781525).

1021431210043 is an equidigital number, since it uses as much as digits as its factorization.

1021431210043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980813.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1021431210043 its reverse (3400121341201), we get a palindrome (4421552551244).

The spelling of 1021431210043 in words is "one trillion, twenty-one billion, four hundred thirty-one million, two hundred ten thousand, forty-three".