11013213031 has 2 divisors, whose sum is σ = 11013213032. Its totient is φ = 11013213030.

The previous prime is 11013213023. The next prime is 11013213053. The reversal of 11013213031 is 13031231011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11013213031 - 2³ = 11013213023 is a prime.

It is a super-2 number, since 2×11013213031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11013212996 and 11013213014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11013213011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506606515 + 5506606516.

It is an arithmetic number, because the mean of its divisors is an integer number (5506606516).

Almost surely, 2^11013213031 is an apocalyptic number.

11013213031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013213031 is an equidigital number, since it uses as much as digits as its factorization.

11013213031 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 16.

Adding to 11013213031 its reverse (13031231011), we get a palindrome (24044444042).

The spelling of 11013213031 in words is "eleven billion, thirteen million, two hundred thirteen thousand, thirty-one".