1100534431 has 4 divisors (see below), whose sum is σ = 1101565000. Its totient is φ = 1099503864.

The previous prime is 1100534411. The next prime is 1100534437. The reversal of 1100534431 is 1344350011.

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 1100534431 - 2⁵ = 1100534399 is a prime.

It is a super-2 number, since 2×1100534431² = 2422352067632987522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100534437) 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, 513681 + ... + 515818.

It is an arithmetic number, because the mean of its divisors is an integer number (275391250).

Almost surely, 2^1100534431 is an apocalyptic number.

1100534431 is a deficient number, since it is larger than the sum of its proper divisors (1030569).

1100534431 is a wasteful number, since it uses less digits than its factorization.

1100534431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030568.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1100534431 is about 33174.3037756635. The cubic root of 1100534431 is about 1032.4472649031.

Adding to 1100534431 its reverse (1344350011), we get a palindrome (2444884442).

The spelling of 1100534431 in words is "one billion, one hundred million, five hundred thirty-four thousand, four hundred thirty-one".