11102040031 has 4 divisors (see below), whose sum is σ = 11258406864. Its totient is φ = 10945673200.

The previous prime is 11102040017. The next prime is 11102040049. The reversal of 11102040031 is 13004020111.

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 11102040031 - 2¹¹ = 11102037983 is a prime.

It is a super-2 number, since 2×11102040031² (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 = 11102039993 and 11102040020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102020031) 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, 78183310 + ... + 78183451.

It is an arithmetic number, because the mean of its divisors is an integer number (2814601716).

Almost surely, 2^11102040031 is an apocalyptic number.

11102040031 is a deficient number, since it is larger than the sum of its proper divisors (156366833).

11102040031 is an equidigital number, since it uses as much as digits as its factorization.

11102040031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156366832.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11102040031 its reverse (13004020111), we get a palindrome (24106060142).

The spelling of 11102040031 in words is "eleven billion, one hundred two million, forty thousand, thirty-one".