1101001231 has 8 divisors (see below), whose sum is σ = 1201539024. Its totient is φ = 1000537920.

The previous prime is 1101001207. The next prime is 1101001241. The reversal of 1101001231 is 1321001011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1101001231 - 2⁵ = 1101001199 is a prime.

It is a super-3 number, since 3×1101001231³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101001241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14931 + ... + 49243.

It is an arithmetic number, because the mean of its divisors is an integer number (150192378).

Almost surely, 2^1101001231 is an apocalyptic number.

1101001231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101001231 is a deficient number, since it is larger than the sum of its proper divisors (100537793).

1101001231 is a wasteful number, since it uses less digits than its factorization.

1101001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37241.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1101001231 is about 33181.3385956625. The cubic root of 1101001231 is about 1032.5932177073.

Adding to 1101001231 its reverse (1321001011), we get a palindrome (2422002242).

The spelling of 1101001231 in words is "one billion, one hundred one million, one thousand, two hundred thirty-one".