2531314042330 has 16 divisors (see below), whose sum is σ = 4556927866824. Its totient is φ = 1012400596800.

The previous prime is 2531314042319. The next prime is 2531314042331. The reversal of 2531314042330 is 332404131352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2367169950721 + 164144091609 = 1538561^2 + 405147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2531314042292 and 2531314042301.

It is not an unprimeable number, because it can be changed into a prime (2531314042331) 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, 15542457 + ... + 15704476.

Almost surely, 2^{2531314042330} is an apocalyptic number.

2531314042330 is a deficient number, since it is larger than the sum of its proper divisors (2025613824494).

2531314042330 is a wasteful number, since it uses less digits than its factorization.

2531314042330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31255041.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 2531314042330 its reverse (332404131352), we get a palindrome (2863718173682).

The spelling of 2531314042330 in words is "two trillion, five hundred thirty-one billion, three hundred fourteen million, forty-two thousand, three hundred thirty".