11102031213 has 16 divisors (see below), whose sum is σ = 18218718336. Its totient is φ = 5856016320.

The previous prime is 11102031197. The next prime is 11102031217. The reversal of 11102031213 is 31213020111.

It is a happy number.

It is not a de Polignac number, because 11102031213 - 2⁴ = 11102031197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11102031192 and 11102031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102031217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20333118 + ... + 20333663.

It is an arithmetic number, because the mean of its divisors is an integer number (1138669896).

Almost surely, 2^11102031213 is an apocalyptic number.

11102031213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11102031213 is a deficient number, since it is larger than the sum of its proper divisors (7116687123).

11102031213 is a wasteful number, since it uses less digits than its factorization.

11102031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40666804.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11102031213 its reverse (31213020111), we get a palindrome (42315051324).

The spelling of 11102031213 in words is "eleven billion, one hundred two million, thirty-one thousand, two hundred thirteen".