1103213433 has 32 divisors (see below), whose sum is σ = 1714176000. Its totient is φ = 618111936.

The previous prime is 1103213429. The next prime is 1103213437. The reversal of 1103213433 is 3343123011.

It is an interprime number because it is at equal distance from previous prime (1103213429) and next prime (1103213437).

It is not a de Polignac number, because 1103213433 - 2² = 1103213429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1103213437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244960 + ... + 249422.

It is an arithmetic number, because the mean of its divisors is an integer number (53568000).

Almost surely, 2^1103213433 is an apocalyptic number.

It is an amenable number.

1103213433 is a deficient number, since it is larger than the sum of its proper divisors (610962567).

1103213433 is a wasteful number, since it uses less digits than its factorization.

1103213433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1103213433 is about 33214.6569002301. The cubic root of 1103213433 is about 1033.2843391154.

Adding to 1103213433 its reverse (3343123011), we get a palindrome (4446336444).

The spelling of 1103213433 in words is "one billion, one hundred three million, two hundred thirteen thousand, four hundred thirty-three".