31000253012011 has 2 divisors, whose sum is σ = 31000253012012. Its totient is φ = 31000253012010.

The previous prime is 31000253012009. The next prime is 31000253012051. The reversal of 31000253012011 is 11021035200013.

It is a weak prime.

It is an emirp because it is prime and its reverse (11021035200013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31000253012011 - 2¹ = 31000253012009 is a prime.

It is a super-2 number, since 2×31000253012011² (a number of 28 digits) contains 22 as substring.

Together with 31000253012009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31000253012011.

It is not a weakly prime, because it can be changed into another prime (31000253012051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15500126506005 + 15500126506006.

It is an arithmetic number, because the mean of its divisors is an integer number (15500126506006).

Almost surely, 2^{31000253012011} is an apocalyptic number.

31000253012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31000253012011 is an equidigital number, since it uses as much as digits as its factorization.

31000253012011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 31000253012011 its reverse (11021035200013), we get a palindrome (42021288212024).

The spelling of 31000253012011 in words is "thirty-one trillion, two hundred fifty-three million, twelve thousand, eleven".