31303130012311 has 2 divisors, whose sum is σ = 31303130012312. Its totient is φ = 31303130012310.

The previous prime is 31303130012309. The next prime is 31303130012339. The reversal of 31303130012311 is 11321003130313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31303130012311 - 2¹ = 31303130012309 is a prime.

Together with 31303130012309, 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 (31303130010311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15651565006155 + 15651565006156.

It is an arithmetic number, because the mean of its divisors is an integer number (15651565006156).

Almost surely, 2^{31303130012311} is an apocalyptic number.

31303130012311 is a deficient number, since it is larger than the sum of its proper divisors (1).

31303130012311 is an equidigital number, since it uses as much as digits as its factorization.

31303130012311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31303130012311 its reverse (11321003130313), we get a palindrome (42624133142624).

The spelling of 31303130012311 in words is "thirty-one trillion, three hundred three billion, one hundred thirty million, twelve thousand, three hundred eleven".