11000032031 has 4 divisors (see below), whose sum is σ = 11297330232. Its totient is φ = 10702733832.

The previous prime is 11000032013. The next prime is 11000032037. The reversal of 11000032031 is 13023000011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13023000011 = 7 ⋅1860428573.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000032031 is a prime.

It is a super-2 number, since 2×11000032031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000032037) 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, 148649045 + ... + 148649118.

It is an arithmetic number, because the mean of its divisors is an integer number (2824332558).

Almost surely, 2^11000032031 is an apocalyptic number.

11000032031 is a deficient number, since it is larger than the sum of its proper divisors (297298201).

11000032031 is an equidigital number, since it uses as much as digits as its factorization.

11000032031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297298200.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 11000032031 its reverse (13023000011), we get a palindrome (24023032042).

The spelling of 11000032031 in words is "eleven billion, thirty-two thousand, thirty-one".