1230303311 has 8 divisors (see below), whose sum is σ = 1306789200. Its totient is φ = 1154274688.

The previous prime is 1230303307. The next prime is 1230303329. The reversal of 1230303311 is 1133030321.

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 1230303311 - 2² = 1230303307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230303311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230303331) 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, 108761 + ... + 119538.

It is an arithmetic number, because the mean of its divisors is an integer number (163348650).

Almost surely, 2^1230303311 is an apocalyptic number.

1230303311 is a deficient number, since it is larger than the sum of its proper divisors (76485889).

1230303311 is a wasteful number, since it uses less digits than its factorization.

1230303311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228633.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1230303311 is about 35075.6797653303. The cubic root of 1230303311 is about 1071.5293328924.

Adding to 1230303311 its reverse (1133030321), we get a palindrome (2363333632).

The spelling of 1230303311 in words is "one billion, two hundred thirty million, three hundred three thousand, three hundred eleven".