31309200011 has 2 divisors, whose sum is σ = 31309200012. Its totient is φ = 31309200010.

The previous prime is 31309199993. The next prime is 31309200029. The reversal of 31309200011 is 11000290313.

It is a balanced prime because it is at equal distance from previous prime (31309199993) and next prime (31309200029).

It is a cyclic number.

It is not a de Polignac number, because 31309200011 - 2¹⁴ = 31309183627 is a prime.

It is not a weakly prime, because it can be changed into another prime (31309200211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15654600005 + 15654600006.

It is an arithmetic number, because the mean of its divisors is an integer number (15654600006).

Almost surely, 2^31309200011 is an apocalyptic number.

31309200011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31309200011 is an equidigital number, since it uses as much as digits as its factorization.

31309200011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 31309200011 its reverse (11000290313), we get a palindrome (42309490324).

The spelling of 31309200011 in words is "thirty-one billion, three hundred nine million, two hundred thousand, eleven".