31300420303 has 2 divisors, whose sum is σ = 31300420304. Its totient is φ = 31300420302.

The previous prime is 31300420301. The next prime is 31300420309. The reversal of 31300420303 is 30302400313.

It is a weak prime.

It is an emirp because it is prime and its reverse (30302400313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31300420303 - 2¹ = 31300420301 is a prime.

It is a super-2 number, since 2×31300420303² (a number of 22 digits) contains 22 as substring.

Together with 31300420301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31300420301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650210151 + 15650210152.

It is an arithmetic number, because the mean of its divisors is an integer number (15650210152).

Almost surely, 2^31300420303 is an apocalyptic number.

31300420303 is a deficient number, since it is larger than the sum of its proper divisors (1).

31300420303 is an equidigital number, since it uses as much as digits as its factorization.

31300420303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 31300420303 its reverse (30302400313), we get a palindrome (61602820616).

The spelling of 31300420303 in words is "thirty-one billion, three hundred million, four hundred twenty thousand, three hundred three".