11202031013 has 4 divisors (see below), whose sum is σ = 11327896620. Its totient is φ = 11076165408.

The previous prime is 11202030977. The next prime is 11202031037. The reversal of 11202031013 is 31013020211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2418967489 + 8783063524 = 49183^2 + 93718^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202031013 - 2¹⁰ = 11202029989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202031073) 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 in 3 ways as a sum of consecutive naturals, for example, 62932670 + ... + 62932847.

It is an arithmetic number, because the mean of its divisors is an integer number (2831974155).

Almost surely, 2^11202031013 is an apocalyptic number.

It is an amenable number.

11202031013 is a deficient number, since it is larger than the sum of its proper divisors (125865607).

11202031013 is an equidigital number, since it uses as much as digits as its factorization.

11202031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125865606.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11202031013 its reverse (31013020211), we get a palindrome (42215051224).

The spelling of 11202031013 in words is "eleven billion, two hundred two million, thirty-one thousand, thirteen".