1011231203 has 8 divisors (see below), whose sum is σ = 1026084096. Its totient is φ = 996395400.

The previous prime is 1011231197. The next prime is 1011231223. The reversal of 1011231203 is 3021321101.

1011231203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1011231203 - 2⁸ = 1011230947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011231223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161000 + ... + 167162.

It is an arithmetic number, because the mean of its divisors is an integer number (128260512).

Almost surely, 2^1011231203 is an apocalyptic number.

1011231203 is a deficient number, since it is larger than the sum of its proper divisors (14852893).

1011231203 is an equidigital number, since it uses as much as digits as its factorization.

1011231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8545.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1011231203 is about 31799.8616820891. The cubic root of 1011231203 is about 1003.7298055879.

Adding to 1011231203 its reverse (3021321101), we get a palindrome (4032552304).

The spelling of 1011231203 in words is "one billion, eleven million, two hundred thirty-one thousand, two hundred three".