2331020312 has 32 divisors (see below), whose sum is σ = 4451824800. Its totient is φ = 1144012800.

The previous prime is 2331020311. The next prime is 2331020323. The reversal of 2331020312 is 2130201332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331020311) 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, 121112 + ... + 139032.

It is an arithmetic number, because the mean of its divisors is an integer number (139119525).

Almost surely, 2^2331020312 is an apocalyptic number.

It is an amenable number.

2331020312 is a deficient number, since it is larger than the sum of its proper divisors (2120804488).

2331020312 is a wasteful number, since it uses less digits than its factorization.

2331020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18227 (or 18223 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2331020312 is about 48280.6411722131. The cubic root of 2331020312 is about 1325.9139889626.

Adding to 2331020312 its reverse (2130201332), we get a palindrome (4461221644).

It can be divided in two parts, 2331020 and 312, that added together give a palindrome (2331332).

The spelling of 2331020312 in words is "two billion, three hundred thirty-one million, twenty thousand, three hundred twelve".