2031622543 has 2 divisors, whose sum is σ = 2031622544. Its totient is φ = 2031622542.

The previous prime is 2031622531. The next prime is 2031622561. The reversal of 2031622543 is 3452261302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031622543 - 2⁵ = 2031622511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031622643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015811271 + 1015811272.

It is an arithmetic number, because the mean of its divisors is an integer number (1015811272).

Almost surely, 2^2031622543 is an apocalyptic number.

2031622543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031622543 is an equidigital number, since it uses as much as digits as its factorization.

2031622543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2031622543 is about 45073.5237473176. The cubic root of 2031622543 is about 1266.5266747487.

Adding to 2031622543 its reverse (3452261302), we get a palindrome (5483883845).

The spelling of 2031622543 in words is "two billion, thirty-one million, six hundred twenty-two thousand, five hundred forty-three".