1031100221311 has 2 divisors, whose sum is σ = 1031100221312. Its totient is φ = 1031100221310.

The previous prime is 1031100221303. The next prime is 1031100221317. The reversal of 1031100221311 is 1131220011301.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1131220011301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1031100221311 - 2³ = 1031100221303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031100221317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515550110655 + 515550110656.

It is an arithmetic number, because the mean of its divisors is an integer number (515550110656).

Almost surely, 2^{1031100221311} is an apocalyptic number.

1031100221311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031100221311 is an equidigital number, since it uses as much as digits as its factorization.

1031100221311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1031100221311 its reverse (1131220011301), we get a palindrome (2162320232612).

The spelling of 1031100221311 in words is "one trillion, thirty-one billion, one hundred million, two hundred twenty-one thousand, three hundred eleven".