311320343230 has 32 divisors (see below), whose sum is σ = 616322577024. Its totient is φ = 112503323136.

The previous prime is 311320343219. The next prime is 311320343287. The reversal of 311320343230 is 32343023113.

It is a super-2 number, since 2×311320343230² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311320343195 and 311320343204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25470187 + ... + 25482406.

It is an arithmetic number, because the mean of its divisors is an integer number (19260080532).

Almost surely, 2^311320343230 is an apocalyptic number.

311320343230 is a deficient number, since it is larger than the sum of its proper divisors (305002233794).

311320343230 is a wasteful number, since it uses less digits than its factorization.

311320343230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50952660.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 311320343230 its reverse (32343023113), we get a palindrome (343663366343).

The spelling of 311320343230 in words is "three hundred eleven billion, three hundred twenty million, three hundred forty-three thousand, two hundred thirty".