1011230321 has 8 divisors (see below), whose sum is σ = 1018302240. Its totient is φ = 1004169312.

The previous prime is 1011230279. The next prime is 1011230347. The reversal of 1011230321 is 1230321101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011230321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011230296 and 1011230305.

It is not an unprimeable number, because it can be changed into a prime (1011230221) 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, 283970 + ... + 287508.

It is an arithmetic number, because the mean of its divisors is an integer number (127287780).

Almost surely, 2^1011230321 is an apocalyptic number.

It is an amenable number.

1011230321 is a deficient number, since it is larger than the sum of its proper divisors (7071919).

1011230321 is a wasteful number, since it uses less digits than its factorization.

1011230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5455.

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

The square root of 1011230321 is about 31799.8478141012. The cubic root of 1011230321 is about 1003.7295137688.

Adding to 1011230321 its reverse (1230321101), we get a palindrome (2241551422).

It can be divided in two parts, 101 and 1230321, that multiplied together give a palindrome (124262421).

The spelling of 1011230321 in words is "one billion, eleven million, two hundred thirty thousand, three hundred twenty-one".