2531304331022 has 32 divisors (see below), whose sum is σ = 4233145600800. Its totient is φ = 1128175561728.

The previous prime is 2531304331009. The next prime is 2531304331091. The reversal of 2531304331022 is 2201334031352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1630754 + ... + 2778842.

It is an arithmetic number, because the mean of its divisors is an integer number (132285800025).

Almost surely, 2^{2531304331022} is an apocalyptic number.

2531304331022 is a deficient number, since it is larger than the sum of its proper divisors (1701841269778).

2531304331022 is a wasteful number, since it uses less digits than its factorization.

2531304331022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151540.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 2531304331022 its reverse (2201334031352), we get a palindrome (4732638362374).

The spelling of 2531304331022 in words is "two trillion, five hundred thirty-one billion, three hundred four million, three hundred thirty-one thousand, twenty-two".