1101040343 has 16 divisors (see below), whose sum is σ = 1265402880. Its totient is φ = 949003776.

The previous prime is 1101040331. The next prime is 1101040373. The reversal of 1101040343 is 3430401011.

It is a cyclic number.

It is not a de Polignac number, because 1101040343 - 2¹² = 1101036247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101040313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8453 + ... + 47681.

It is an arithmetic number, because the mean of its divisors is an integer number (79087680).

Almost surely, 2^1101040343 is an apocalyptic number.

1101040343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1101040343 is a deficient number, since it is larger than the sum of its proper divisors (164362537).

1101040343 is a wasteful number, since it uses less digits than its factorization.

1101040343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39386.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1101040343 is about 33181.9279578508. The cubic root of 1101040343 is about 1032.6054448531.

Adding to 1101040343 its reverse (3430401011), we get a palindrome (4531441354).

The spelling of 1101040343 in words is "one billion, one hundred one million, forty thousand, three hundred forty-three".