2320154531 has 2 divisors, whose sum is σ = 2320154532. Its totient is φ = 2320154530.

The previous prime is 2320154497. The next prime is 2320154539. The reversal of 2320154531 is 1354510232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2320154531 - 2¹⁸ = 2319892387 is a prime.

It is a super-2 number, since 2×2320154531² = 10766234095439659922, 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 2320154531.

It is not a weakly prime, because it can be changed into another prime (2320154539) 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, 1160077265 + 1160077266.

It is an arithmetic number, because the mean of its divisors is an integer number (1160077266).

Almost surely, 2^2320154531 is an apocalyptic number.

2320154531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320154531 is an equidigital number, since it uses as much as digits as its factorization.

2320154531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2320154531 is about 48167.9824260888. The cubic root of 2320154531 is about 1323.8505813970.

Adding to 2320154531 its reverse (1354510232), we get a palindrome (3674664763).

The spelling of 2320154531 in words is "two billion, three hundred twenty million, one hundred fifty-four thousand, five hundred thirty-one".