2131243006532 has 24 divisors (see below), whose sum is σ = 3736351153920. Its totient is φ = 1063715591520.

The previous prime is 2131243006531. The next prime is 2131243006549. The reversal of 2131243006532 is 2356003421312.

It is not an unprimeable number, because it can be changed into a prime (2131243006531) 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, 5592083 + ... + 5961029.

It is an arithmetic number, because the mean of its divisors is an integer number (155681298080).

Almost surely, 2^{2131243006532} is an apocalyptic number.

It is an amenable number.

2131243006532 is a deficient number, since it is larger than the sum of its proper divisors (1605108147388).

2131243006532 is a wasteful number, since it uses less digits than its factorization.

2131243006532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371531 (or 371529 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 2131243006532 its reverse (2356003421312), we get a palindrome (4487246427844).

The spelling of 2131243006532 in words is "two trillion, one hundred thirty-one billion, two hundred forty-three million, six thousand, five hundred thirty-two".