1230311320211 has 8 divisors (see below), whose sum is σ = 1277760317760. Its totient is φ = 1183609551168.

The previous prime is 1230311320157. The next prime is 1230311320223. The reversal of 1230311320211 is 1120231130321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1230311320211 - 2¹⁰ = 1230311319187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230311323211) 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, 186803771 + ... + 186810356.

It is an arithmetic number, because the mean of its divisors is an integer number (159720039720).

Almost surely, 2^{1230311320211} is an apocalyptic number.

1230311320211 is a deficient number, since it is larger than the sum of its proper divisors (47448997549).

1230311320211 is an equidigital number, since it uses as much as digits as its factorization.

1230311320211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373614253.

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

Adding to 1230311320211 its reverse (1120231130321), we get a palindrome (2350542450532).

The spelling of 1230311320211 in words is "one trillion, two hundred thirty billion, three hundred eleven million, three hundred twenty thousand, two hundred eleven".