2312111021330 has 48 divisors (see below), whose sum is σ = 4585544505792. Its totient is φ = 832442808000.

The previous prime is 2312111021321. The next prime is 2312111021351. The reversal of 2312111021330 is 331201112132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91859 + ... + 2152361.

It is an arithmetic number, because the mean of its divisors is an integer number (95532177204).

Almost surely, 2^{2312111021330} is an apocalyptic number.

2312111021330 is a deficient number, since it is larger than the sum of its proper divisors (2273433484462).

2312111021330 is a wasteful number, since it uses less digits than its factorization.

2312111021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060723 (or 2060622 counting only the distinct ones).

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

Adding to 2312111021330 its reverse (331201112132), we get a palindrome (2643312133462).

The spelling of 2312111021330 in words is "two trillion, three hundred twelve billion, one hundred eleven million, twenty-one thousand, three hundred thirty".