20431877303 has 2 divisors, whose sum is σ = 20431877304. Its totient is φ = 20431877302.

The previous prime is 20431877287. The next prime is 20431877309. The reversal of 20431877303 is 30377813402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20431877303 - 2⁴ = 20431877287 is a prime.

It is a super-2 number, since 2×20431877303² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20431877309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10215938651 + 10215938652.

It is an arithmetic number, because the mean of its divisors is an integer number (10215938652).

Almost surely, 2^20431877303 is an apocalyptic number.

20431877303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20431877303 is an equidigital number, since it uses as much as digits as its factorization.

20431877303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 20431877303 in words is "twenty billion, four hundred thirty-one million, eight hundred seventy-seven thousand, three hundred three".