103031440273 has 2 divisors, whose sum is σ = 103031440274. Its totient is φ = 103031440272.

The previous prime is 103031440271. The next prime is 103031440279. The reversal of 103031440273 is 372044130301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61666795584 + 41364644689 = 248328^2 + 203383^2 .

It is a cyclic number.

It is not a de Polignac number, because 103031440273 - 2¹ = 103031440271 is a prime.

Together with 103031440271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103031440271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515720136 + 51515720137.

It is an arithmetic number, because the mean of its divisors is an integer number (51515720137).

Almost surely, 2^103031440273 is an apocalyptic number.

It is an amenable number.

103031440273 is a deficient number, since it is larger than the sum of its proper divisors (1).

103031440273 is an equidigital number, since it uses as much as digits as its factorization.

103031440273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 103031440273 its reverse (372044130301), we get a palindrome (475075570574).

The spelling of 103031440273 in words is "one hundred three billion, thirty-one million, four hundred forty thousand, two hundred seventy-three".