2031441344240 has 120 divisors (see below), whose sum is σ = 5933152024800. Its totient is φ = 633176501760.

The previous prime is 2031441344189. The next prime is 2031441344243. The reversal of 2031441344240 is 424431441302.

It is a junction number, because it is equal to n+sod(n) for n = 2031441344197 and 2031441344206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031441344243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14922215 + ... + 15057734.

It is an arithmetic number, because the mean of its divisors is an integer number (49442933540).

Almost surely, 2^{2031441344240} is an apocalyptic number.

2031441344240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031441344240 is an abundant number, since it is smaller than the sum of its proper divisors (3901710680560).

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

2031441344240 is a wasteful number, since it uses less digits than its factorization.

2031441344240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29979991 (or 29979974 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2031441344240 its reverse (424431441302), we get a palindrome (2455872785542).

The spelling of 2031441344240 in words is "two trillion, thirty-one billion, four hundred forty-one million, three hundred forty-four thousand, two hundred forty".