2231031131202 has 8 divisors (see below), whose sum is σ = 4462062262416. Its totient is φ = 743677043732.

The previous prime is 2231031131183. The next prime is 2231031131207. The reversal of 2231031131202 is 2021311301322.

It is a sphenic number, since it is the product of 3 distinct primes.

2231031131202 is an admirable number.

It is a super-3 number, since 3×2231031131202³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231031131207) 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 3 ways as a sum of consecutive naturals, for example, 185919260928 + ... + 185919260939.

It is an arithmetic number, because the mean of its divisors is an integer number (557757782802).

Almost surely, 2^{2231031131202} is an apocalyptic number.

2231031131202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2231031131202 is a wasteful number, since it uses less digits than its factorization.

2231031131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371838521872.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2231031131202 its reverse (2021311301322), we get a palindrome (4252342432524).

The spelling of 2231031131202 in words is "two trillion, two hundred thirty-one billion, thirty-one million, one hundred thirty-one thousand, two hundred two".