11030311021013 has 2 divisors, whose sum is σ = 11030311021014. Its totient is φ = 11030311021012.

The previous prime is 11030311021003. The next prime is 11030311021117. The reversal of 11030311021013 is 31012011303011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6161505488644 + 4868805532369 = 2482238^2 + 2206537^2 .

It is an emirp because it is prime and its reverse (31012011303011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11030311021013 - 2¹² = 11030311016917 is a prime.

It is a super-2 number, since 2×11030311021013² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11030311020982 and 11030311021000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11030311021003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515155510506 + 5515155510507.

It is an arithmetic number, because the mean of its divisors is an integer number (5515155510507).

Almost surely, 2^{11030311021013} is an apocalyptic number.

It is an amenable number.

11030311021013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11030311021013 is an equidigital number, since it uses as much as digits as its factorization.

11030311021013 is an evil number, because the sum of its binary digits is even.

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

Adding to 11030311021013 its reverse (31012011303011), we get a palindrome (42042322324024).

The spelling of 11030311021013 in words is "eleven trillion, thirty billion, three hundred eleven million, twenty-one thousand, thirteen".