31113010211011 has 2 divisors, whose sum is σ = 31113010211012. Its totient is φ = 31113010211010.

The previous prime is 31113010210907. The next prime is 31113010211069. The reversal of 31113010211011 is 11011201031113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31113010211011 - 2⁷ = 31113010210883 is a prime.

It is not a weakly prime, because it can be changed into another prime (31113010215011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556505105505 + 15556505105506.

It is an arithmetic number, because the mean of its divisors is an integer number (15556505105506).

Almost surely, 2^{31113010211011} is an apocalyptic number.

31113010211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31113010211011 is an equidigital number, since it uses as much as digits as its factorization.

31113010211011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 31113010211011 its reverse (11011201031113), we get a palindrome (42124211242124).

It can be divided in two parts, 311130102 and 11011, that added together give a palindrome (311141113).

The spelling of 31113010211011 in words is "thirty-one trillion, one hundred thirteen billion, ten million, two hundred eleven thousand, eleven".