11013031 has 4 divisors (see below), whose sum is σ = 11269192. Its totient is φ = 10756872.

The previous prime is 11013017. The next prime is 11013047. The reversal of 11013031 is 13031011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11013031 - 2¹³ = 11004839 is a prime.

It is a super-2 number, since 2×11013031² = 242573703613922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012999 and 11013017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128016 + ... + 128101.

It is an arithmetic number, because the mean of its divisors is an integer number (2817298).

Almost surely, 2^11013031 is an apocalyptic number.

11013031 is a deficient number, since it is larger than the sum of its proper divisors (256161).

11013031 is an equidigital number, since it uses as much as digits as its factorization.

11013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256160.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 11013031 is about 3318.5887060617. The cubic root of 11013031 is about 222.4857946576.

Adding to 11013031 its reverse (13031011), we get a palindrome (24044042).

The spelling of 11013031 in words is "eleven million, thirteen thousand, thirty-one".