2311220231210 has 32 divisors (see below), whose sum is σ = 4538536373952. Its totient is φ = 840417742080.

The previous prime is 2311220231209. The next prime is 2311220231251. The reversal of 2311220231210 is 121320221132.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3448514 + ... + 4063826.

It is an arithmetic number, because the mean of its divisors is an integer number (141829261686).

Almost surely, 2^{2311220231210} is an apocalyptic number.

2311220231210 is a deficient number, since it is larger than the sum of its proper divisors (2227316142742).

2311220231210 is a wasteful number, since it uses less digits than its factorization.

2311220231210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649478.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2311220231210 its reverse (121320221132), we get a palindrome (2432540452342).

The spelling of 2311220231210 in words is "two trillion, three hundred eleven billion, two hundred twenty million, two hundred thirty-one thousand, two hundred ten".