2531040401303 has 2 divisors, whose sum is σ = 2531040401304. Its totient is φ = 2531040401302.

The previous prime is 2531040401291. The next prime is 2531040401377. The reversal of 2531040401303 is 3031040401352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2531040401303 - 2¹⁶ = 2531040335767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531040404303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265520200651 + 1265520200652.

It is an arithmetic number, because the mean of its divisors is an integer number (1265520200652).

Almost surely, 2^{2531040401303} is an apocalyptic number.

2531040401303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531040401303 is an equidigital number, since it uses as much as digits as its factorization.

2531040401303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 2531040401303 its reverse (3031040401352), we get a palindrome (5562080802655).

The spelling of 2531040401303 in words is "two trillion, five hundred thirty-one billion, forty million, four hundred one thousand, three hundred three".