2331122140 has 24 divisors (see below), whose sum is σ = 4962419280. Its totient is φ = 919675008.

The previous prime is 2331122107. The next prime is 2331122153. The reversal of 2331122140 is 412211332.

It is a happy number.

2331122140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796870 + ... + 799789.

It is an arithmetic number, because the mean of its divisors is an integer number (206767470).

Almost surely, 2^2331122140 is an apocalyptic number.

2331122140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331122140 is an abundant number, since it is smaller than the sum of its proper divisors (2631297140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2331122140 is a wasteful number, since it uses less digits than its factorization.

2331122140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596741 (or 1596739 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2331122140 is about 48281.6957034444. The cubic root of 2331122140 is about 1325.9332957018.

Adding to 2331122140 its reverse (412211332), we get a palindrome (2743333472).

It can be divided in two parts, 23311 and 22140, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 2331122140 in words is "two billion, three hundred thirty-one million, one hundred twenty-two thousand, one hundred forty".