1011343103 has 4 divisors (see below), whose sum is σ = 1012575768. Its totient is φ = 1010110440.

The previous prime is 1011343061. The next prime is 1011343127. The reversal of 1011343103 is 3013431101.

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 1011343103 - 2⁸ = 1011342847 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 (1011340103) 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, 615101 + ... + 616742.

It is an arithmetic number, because the mean of its divisors is an integer number (253143942).

Almost surely, 2^1011343103 is an apocalyptic number.

1011343103 is a deficient number, since it is larger than the sum of its proper divisors (1232665).

1011343103 is an equidigital number, since it uses as much as digits as its factorization.

1011343103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232664.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1011343103 is about 31801.6210750333. The cubic root of 1011343103 is about 1003.7668275279.

Adding to 1011343103 its reverse (3013431101), we get a palindrome (4024774204).

The spelling of 1011343103 in words is "one billion, eleven million, three hundred forty-three thousand, one hundred three".