1011204231 has 8 divisors (see below), whose sum is σ = 1354160880. Its totient is φ = 671191872.

The previous prime is 1011204209. The next prime is 1011204247. The reversal of 1011204231 is 1324021101.

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

It is not a de Polignac number, because 1011204231 - 2⁶ = 1011204167 is a prime.

It is a super-2 number, since 2×1011204231² = 2045067993584602722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1011204231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011204281) 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 7 ways as a sum of consecutive naturals, for example, 735270 + ... + 736643.

It is an arithmetic number, because the mean of its divisors is an integer number (169270110).

Almost surely, 2^1011204231 is an apocalyptic number.

1011204231 is a deficient number, since it is larger than the sum of its proper divisors (342956649).

1011204231 is a wasteful number, since it uses less digits than its factorization.

1011204231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472145.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1011204231 is about 31799.4375893663. The cubic root of 1011204231 is about 1003.7208815354.

Adding to 1011204231 its reverse (1324021101), we get a palindrome (2335225332).

The spelling of 1011204231 in words is "one billion, eleven million, two hundred four thousand, two hundred thirty-one".