2520346331 has 2 divisors, whose sum is σ = 2520346332. Its totient is φ = 2520346330.

The previous prime is 2520346319. The next prime is 2520346337. The reversal of 2520346331 is 1336430252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2520346331 - 2⁶ = 2520346267 is a prime.

It is a super-2 number, since 2×2520346331² = 12704291256370323122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2520346294 and 2520346303.

It is not a weakly prime, because it can be changed into another prime (2520346337) 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 as a sum of consecutive naturals, namely, 1260173165 + 1260173166.

It is an arithmetic number, because the mean of its divisors is an integer number (1260173166).

Almost surely, 2^2520346331 is an apocalyptic number.

2520346331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520346331 is an equidigital number, since it uses as much as digits as its factorization.

2520346331 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2520346331 is about 50203.0510128618. The cubic root of 2520346331 is about 1360.8807607590.

Adding to 2520346331 its reverse (1336430252), we get a palindrome (3856776583).

The spelling of 2520346331 in words is "two billion, five hundred twenty million, three hundred forty-six thousand, three hundred thirty-one".