2542120331 has 2 divisors, whose sum is σ = 2542120332. Its totient is φ = 2542120330.

The previous prime is 2542120291. The next prime is 2542120411. The reversal of 2542120331 is 1330212452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2542120331 - 2⁶ = 2542120267 is a prime.

It is a super-2 number, since 2×2542120331² = 12924751554567099122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2542120297 and 2542120306.

It is not a weakly prime, because it can be changed into another prime (2542320331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271060165 + 1271060166.

It is an arithmetic number, because the mean of its divisors is an integer number (1271060166).

Almost surely, 2^2542120331 is an apocalyptic number.

2542120331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542120331 is an equidigital number, since it uses as much as digits as its factorization.

2542120331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2542120331 is about 50419.4439774974. The cubic root of 2542120331 is about 1364.7885427874.

Adding to 2542120331 its reverse (1330212452), we get a palindrome (3872332783).

The spelling of 2542120331 in words is "two billion, five hundred forty-two million, one hundred twenty thousand, three hundred thirty-one".