2031535243240 has 32 divisors (see below), whose sum is σ = 4635333941760. Its totient is φ = 801168827200.

The previous prime is 2031535243189. The next prime is 2031535243249. The reversal of 2031535243240 is 423425351302.

It is a junction number, because it is equal to n+sod(n) for n = 2031535243196 and 2031535243205.

It is not an unprimeable number, because it can be changed into a prime (2031535243249) 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, 357661816 + ... + 357667495.

It is an arithmetic number, because the mean of its divisors is an integer number (144854185680).

Almost surely, 2^{2031535243240} is an apocalyptic number.

2031535243240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031535243240 is an abundant number, since it is smaller than the sum of its proper divisors (2603798698520).

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

2031535243240 is a wasteful number, since it uses less digits than its factorization.

2031535243240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715329393 (or 715329389 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 2031535243240 in words is "two trillion, thirty-one billion, five hundred thirty-five million, two hundred forty-three thousand, two hundred forty".