31113230102011 has 2 divisors, whose sum is σ = 31113230102012. Its totient is φ = 31113230102010.

The previous prime is 31113230101991. The next prime is 31113230102069. The reversal of 31113230102011 is 11020103231113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31113230102011 - 2¹³ = 31113230093819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31113230102011.

It is not a weakly prime, because it can be changed into another prime (31113230102111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556615051005 + 15556615051006.

It is an arithmetic number, because the mean of its divisors is an integer number (15556615051006).

Almost surely, 2^{31113230102011} is an apocalyptic number.

31113230102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31113230102011 is an equidigital number, since it uses as much as digits as its factorization.

31113230102011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31113230102011 its reverse (11020103231113), we get a palindrome (42133333333124).

The spelling of 31113230102011 in words is "thirty-one trillion, one hundred thirteen billion, two hundred thirty million, one hundred two thousand, eleven".