2131043433140 has 24 divisors (see below), whose sum is σ = 4478018307840. Its totient is φ = 851878878368.

The previous prime is 2131043433133. The next prime is 2131043433151. The reversal of 2131043433140 is 413343401312.

It is a happy number.

It is a super-2 number, since 2×2131043433140² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 33623480 + ... + 33686799.

It is an arithmetic number, because the mean of its divisors is an integer number (186584096160).

Almost surely, 2^{2131043433140} is an apocalyptic number.

2131043433140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131043433140 is an abundant number, since it is smaller than the sum of its proper divisors (2346974874700).

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

2131043433140 is a wasteful number, since it uses less digits than its factorization.

2131043433140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67311871 (or 67311869 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 2131043433140 its reverse (413343401312), we get a palindrome (2544386834452).

The spelling of 2131043433140 in words is "two trillion, one hundred thirty-one billion, forty-three million, four hundred thirty-three thousand, one hundred forty".