1010340043 has 4 divisors (see below), whose sum is σ = 1011291568. Its totient is φ = 1009388520.

The previous prime is 1010340031. The next prime is 1010340053. The reversal of 1010340043 is 3400430101.

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 1010340043 - 2²¹ = 1008242891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010339999 and 1010340026.

It is not an unprimeable number, because it can be changed into a prime (1010340053) 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, 474168 + ... + 476293.

It is an arithmetic number, because the mean of its divisors is an integer number (252822892).

Almost surely, 2^1010340043 is an apocalyptic number.

1010340043 is a deficient number, since it is larger than the sum of its proper divisors (951525).

1010340043 is an equidigital number, since it uses as much as digits as its factorization.

1010340043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951524.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1010340043 is about 31785.8465830313. The cubic root of 1010340043 is about 1003.4348691652.

Adding to 1010340043 its reverse (3400430101), we get a palindrome (4410770144).

The spelling of 1010340043 in words is "one billion, ten million, three hundred forty thousand, forty-three".