311133020230 has 8 divisors (see below), whose sum is σ = 560039436432. Its totient is φ = 124453208088.

The previous prime is 311133020221. The next prime is 311133020267. The reversal of 311133020230 is 32020331113.

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

It is a junction number, because it is equal to n+sod(n) for n = 311133020198 and 311133020207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15556651002 + ... + 15556651021.

It is an arithmetic number, because the mean of its divisors is an integer number (70004929554).

Almost surely, 2^311133020230 is an apocalyptic number.

311133020230 is a deficient number, since it is larger than the sum of its proper divisors (248906416202).

311133020230 is a wasteful number, since it uses less digits than its factorization.

311133020230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31113302030.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 311133020230 its reverse (32020331113), we get a palindrome (343153351343).

The spelling of 311133020230 in words is "three hundred eleven billion, one hundred thirty-three million, twenty thousand, two hundred thirty".