11203101012031 has 4 divisors (see below), whose sum is σ = 11211792325200. Its totient is φ = 11194409698864.

The previous prime is 11203101012017. The next prime is 11203101012097. The reversal of 11203101012031 is 13021010130211.

It is a happy number.

11203101012031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11203101012031 is a prime.

It is a super-2 number, since 2×11203101012031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11203101011996 and 11203101012014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203101012001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4345654651 + ... + 4345657228.

It is an arithmetic number, because the mean of its divisors is an integer number (2802948081300).

Almost surely, 2^{11203101012031} is an apocalyptic number.

11203101012031 is a deficient number, since it is larger than the sum of its proper divisors (8691313169).

11203101012031 is an equidigital number, since it uses as much as digits as its factorization.

11203101012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8691313168.

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

Adding to 11203101012031 its reverse (13021010130211), we get a palindrome (24224111142242).

The spelling of 11203101012031 in words is "eleven trillion, two hundred three billion, one hundred one million, twelve thousand, thirty-one".