311320211201030 has 32 divisors (see below), whose sum is σ = 585276292651680. Its totient is φ = 119108859540480.

The previous prime is 311320211201017. The next prime is 311320211201033. The reversal of 311320211201030 is 30102112023113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311320211200993 and 311320211201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311320211201033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7130537291 + ... + 7130580950.

It is an arithmetic number, because the mean of its divisors is an integer number (18289884145365).

Almost surely, 2^{311320211201030} is an apocalyptic number.

311320211201030 is a deficient number, since it is larger than the sum of its proper divisors (273956081450650).

311320211201030 is a wasteful number, since it uses less digits than its factorization.

311320211201030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14261118344.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 311320211201030 its reverse (30102112023113), we get a palindrome (341422323224143).

The spelling of 311320211201030 in words is "three hundred eleven trillion, three hundred twenty billion, two hundred eleven million, two hundred one thousand, thirty".