2531220140204 has 24 divisors (see below), whose sum is σ = 5098860721920. Its totient is φ = 1077004251216.

The previous prime is 2531220140201. The next prime is 2531220140213. The reversal of 2531220140204 is 4020410221352.

It is not an unprimeable number, because it can be changed into a prime (2531220140201) by changing a digit.

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, 325178552 + ... + 325186335.

It is an arithmetic number, because the mean of its divisors is an integer number (212452530080).

Almost surely, 2^{2531220140204} is an apocalyptic number.

It is an amenable number.

2531220140204 is an abundant number, since it is smaller than the sum of its proper divisors (2567640581716).

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

2531220140204 is a wasteful number, since it uses less digits than its factorization.

2531220140204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650365037 (or 650365035 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 2531220140204 its reverse (4020410221352), we get a palindrome (6551630361556).

The spelling of 2531220140204 in words is "two trillion, five hundred thirty-one billion, two hundred twenty million, one hundred forty thousand, two hundred four".