2542305331 has 2 divisors, whose sum is σ = 2542305332. Its totient is φ = 2542305330.

The previous prime is 2542305323. The next prime is 2542305371. The reversal of 2542305331 is 1335032452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2542305331 - 2³ = 2542305323 is a prime.

It is a super-2 number, since 2×2542305331² = 12926632792062039122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2542305331.

It is not a weakly prime, because it can be changed into another prime (2542305371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271152665 + 1271152666.

It is an arithmetic number, because the mean of its divisors is an integer number (1271152666).

Almost surely, 2^2542305331 is an apocalyptic number.

2542305331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542305331 is an equidigital number, since it uses as much as digits as its factorization.

2542305331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2542305331 is about 50421.2785538011. The cubic root of 2542305331 is about 1364.8216489773.

Adding to 2542305331 its reverse (1335032452), we get a palindrome (3877337783).

The spelling of 2542305331 in words is "two billion, five hundred forty-two million, three hundred five thousand, three hundred thirty-one".