311121300230 has 64 divisors (see below), whose sum is σ = 619696744128. Its totient is φ = 111716651520.

The previous prime is 311121300223. The next prime is 311121300239. The reversal of 311121300230 is 32003121113.

It is a junction number, because it is equal to n+sod(n) for n = 311121300199 and 311121300208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311121300239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10668449 + ... + 10697571.

It is an arithmetic number, because the mean of its divisors is an integer number (9682761627).

Almost surely, 2^311121300230 is an apocalyptic number.

311121300230 is a deficient number, since it is larger than the sum of its proper divisors (308575443898).

311121300230 is a wasteful number, since it uses less digits than its factorization.

311121300230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31401.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 311121300230 its reverse (32003121113), we get a palindrome (343124421343).

The spelling of 311121300230 in words is "three hundred eleven billion, one hundred twenty-one million, three hundred thousand, two hundred thirty".