11203010031 has 8 divisors (see below), whose sum is σ = 15284727040. Its totient is φ = 7294983192.

The previous prime is 11203010029. The next prime is 11203010069. The reversal of 11203010031 is 13001030211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11203010031 - 2¹ = 11203010029 is a prime.

It is a super-2 number, since 2×11203010031² (a number of 21 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 = 11203009989 and 11203010016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203018031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43422391 + ... + 43422648.

It is an arithmetic number, because the mean of its divisors is an integer number (1910590880).

Almost surely, 2^11203010031 is an apocalyptic number.

11203010031 is a deficient number, since it is larger than the sum of its proper divisors (4081717009).

11203010031 is an equidigital number, since it uses as much as digits as its factorization.

11203010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86845085.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11203010031 its reverse (13001030211), we get a palindrome (24204040242).

The spelling of 11203010031 in words is "eleven billion, two hundred three million, ten thousand, thirty-one".