311120231230 has 16 divisors (see below), whose sum is σ = 561630302640. Its totient is φ = 124089451072.

The previous prime is 311120231203. The next prime is 311120231231. The reversal of 311120231230 is 32132021113.

It is a junction number, because it is equal to n+sod(n) for n = 311120231198 and 311120231207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311120231231) 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, 44826535 + ... + 44833474.

It is an arithmetic number, because the mean of its divisors is an integer number (35101893915).

Almost surely, 2^311120231230 is an apocalyptic number.

311120231230 is a deficient number, since it is larger than the sum of its proper divisors (250510071410).

311120231230 is a wasteful number, since it uses less digits than its factorization.

311120231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89660363.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 311120231230 its reverse (32132021113), we get a palindrome (343252252343).

It can be divided in two parts, 3111 and 20231230, that added together give a triangular number (20234341 = T₆₃₆₁).

The spelling of 311120231230 in words is "three hundred eleven billion, one hundred twenty million, two hundred thirty-one thousand, two hundred thirty".