20110311307 has 2 divisors, whose sum is σ = 20110311308. Its totient is φ = 20110311306.

The previous prime is 20110311269. The next prime is 20110311311. The reversal of 20110311307 is 70311301102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110311307 is a prime.

It is not a weakly prime, because it can be changed into another prime (20110311707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055155653 + 10055155654.

It is an arithmetic number, because the mean of its divisors is an integer number (10055155654).

Almost surely, 2^20110311307 is an apocalyptic number.

20110311307 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110311307 is an equidigital number, since it uses as much as digits as its factorization.

20110311307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

Adding to 20110311307 its reverse (70311301102), we get a palindrome (90421612409).

The spelling of 20110311307 in words is "twenty billion, one hundred ten million, three hundred eleven thousand, three hundred seven".