31302342011 has 2 divisors, whose sum is σ = 31302342012. Its totient is φ = 31302342010.

The previous prime is 31302342007. The next prime is 31302342013. The reversal of 31302342011 is 11024320313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31302342011 - 2² = 31302342007 is a prime.

Together with 31302342013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31302342013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15651171005 + 15651171006.

It is an arithmetic number, because the mean of its divisors is an integer number (15651171006).

Almost surely, 2^31302342011 is an apocalyptic number.

31302342011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31302342011 is an equidigital number, since it uses as much as digits as its factorization.

31302342011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31302342011 its reverse (11024320313), we get a palindrome (42326662324).

The spelling of 31302342011 in words is "thirty-one billion, three hundred two million, three hundred forty-two thousand, eleven".