1031021103311 has 2 divisors, whose sum is σ = 1031021103312. Its totient is φ = 1031021103310.

The previous prime is 1031021103271. The next prime is 1031021103347. The reversal of 1031021103311 is 1133011201301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031021103311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031021103311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031021102311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515510551655 + 515510551656.

It is an arithmetic number, because the mean of its divisors is an integer number (515510551656).

Almost surely, 2^{1031021103311} is an apocalyptic number.

1031021103311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031021103311 is an equidigital number, since it uses as much as digits as its factorization.

1031021103311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1031021103311 its reverse (1133011201301), we get a palindrome (2164032304612).

The spelling of 1031021103311 in words is "one trillion, thirty-one billion, twenty-one million, one hundred three thousand, three hundred eleven".