2021343131040 has 192 divisors, whose sum is σ = 6852296424960. Its totient is φ = 499000688640.

The previous prime is 2021343131009. The next prime is 2021343131051. The reversal of 2021343131040 is 401313431202.

It is a happy number.

It is a super-2 number, since 2×2021343131040² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2021343131040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1532680 + ... + 2528199.

It is an arithmetic number, because the mean of its divisors is an integer number (35689043880).

Almost surely, 2^{2021343131040} is an apocalyptic number.

2021343131040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021343131040 is an abundant number, since it is smaller than the sum of its proper divisors (4830953293920).

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

2021343131040 is a wasteful number, since it uses less digits than its factorization.

2021343131040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060975 (or 4060967 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2021343131040 its reverse (401313431202), we get a palindrome (2422656562242).

The spelling of 2021343131040 in words is "two trillion, twenty-one billion, three hundred forty-three million, one hundred thirty-one thousand, forty".